| | Country | Description | Row/Column | CW# | SG# | |
| View Flaw | British Offices - MEF | Sliced M Flaw | R6 / C10 | 7a | M2 | MEFSlicedMFlaw |
| View Flaw | Ascension | Long E Flaw | R2 / C3 | 14b | 38ba | AscensionLongEFlaw |
| View Flaw | Ascension | Davit Flaw | R5 / C1 | 17d | 40ea | AscensionDavitFlaw |
| View Flaw | Ascension | Mountaineer Flaw | R4 / C4 | 15a | 39ba | AscensionMountaineerFlaw |
| View Flaw | Australia | Medallion Flaw | R2 / C5 RP | 24a | 185b | AustraliaMedallionFlaw |
| View Flaw | Bahamas | Elongated E Flaw | R9 / C6 LP | 1c | 149a | BahamasElongatedEFlaw |
| View Flaw | Bahamas | White Ear Flaw | R2 / C10 | 3a | | BahamasWhiteEarFlaw |
| View Flaw | Bahamas | Short T Flaw | R3 / C6 | 7A | 152ba | BahamasShortTFlaw |
| View Flaw | Bahamas | OF and US Flaw | R2 / C6 | S13c | | Bahamas-OF-and-US-Flaw |
| View Flaw | Bahamas | Dot After Columbus | R2 / C12 | S15b | 173b | BahamasCWS15bExtraDot |
| View Flaw | Barbados | Recut Frame Flaw | R10 / C6 | 2c | 248cb | BarbadosRecutFrameFlaw |
| View Flaw | Barbados | Sky and TES Redoubled | R11 / C2 | 3a | | BarbadosSky-TESRedoubledFlaw |
| View Flaw | Barbados | Extra Frame Line Flaw | R11 / C9 | 7a | 250ea | BarbadosExtraFrameLineFlaw |
| View Flaw | Barbados | Line over Horse's Head Flaw | R4 / C10 | 9b | 252a | BarbadosLineOverHorseFlaw |
| View Flaw | Barbados | Joined Scroll Flaw | R7 / C8 | 11c | 253b | BarbadosJoinedScrollFlaw. |
| View Flaw | Barbados | Broken E Flaw | R 7 and 11 / C4 | 26c | 264d | BarbadosBrokenEFlaw |
| View Flaw | Basutoland | Tower Flaw | R2 / C4 | 2a | 19a | BasutolandTowerFlaw |
| View Flaw | Bermuda | Scroll Flaw | R5 / C12 | Type A | 117ad | BermudaKGVIScrollFlaw |
| View Flaw | Bermuda | Shading Omitted From Top Right Scroll Flaw | R1 / C1 | Type C | 121bb | BermudaShadingOmittedFromTopRightScrollFlaw |
| View Flaw | Brunei | Retouched 5 Flaw | R1 / C8 | 4a | 82a | BruneiRetouched5Flaw |
| View Flaw | Burma | Birds over Trees Flaw | R15 / C3 | 24a | | BurmaBirdsOverTreesFlaw |
| View Flaw | Burma | Broken Bar Flaw | R17 / C6 | S1a | | BurmaBrokenBarFlaw |
| View Flaw | Burma | MILY ADMN Double Overprint | | 26a | | BurmaMILYADMNDoubleOverprint |
| View Flaw | Burma | Interim Government Double Overprint | | 56b | | BurmaInterimGovtDoubleOverprint |
| View Flaw | Burma | Japanese Occupation - Farmer Issue G for C Flaw | R2 / C6 | | J77b | BurmaFarmerIssueGforCFlaw |
| View Flaw | Canada | OHMS Overprint Missing Stop Flaw | R10 / C2 | O38a | O166a | CanadaOHMSMissingStopFlaw |
| View Flaw | Ceylon | Apostrophe Flaw | R6 / C6 | 18a | 387fa | CeylonApostropheFlaw |
| View Flaw | Falkland Is Dep. | Dot on T Flaw | R5 / C2, 4, 6, 8, 10 | Noted | G16a | FIDDotOnTFlaw |
| View Flaw | Fiji | Extra Line Flaw | R10 / C2 | 5a | 253a | FijiExtraLineFlaw |
| View Flaw | Fiji | Vatulele Curl Flaw | R9 / C6 | 8b | | FijiVatuleleCurlFlaw |
| View Flaw | Fiji | Extra Island Flaw | R10 / C5 | 8c | 256ba | FijiExtraIslandFlaw |
| View Flaw | Fiji | Spur On Oval Flaw | R2 / C2 | 9c | 257a | FijiSpurOnOvalFlaw |
| View Flaw | Fiji | Extra Palm Frond Flaw | R5 / C8 | 26a | 249ba | FijiExtraPalmFrondFlaw |
| View Flaw | Gibraltar | Ape on Rock Flaw | R1 / C5 | 5a | 124aa | GibraltarApeOnRockFlaw |
| View Flaw | Gibraltar | Seagull Flaw | R9 / C6 | 28d | | GibraltarSeagullFlaw |
| View Flaw | Gilbert & Ellice Islands | Postage Due Small b Flaw | R10 / C5 | PD3a | | GilbertPDSmallBFlaw |
| View Flaw | Grenada | Colon Flaw | R5 / C6 | 17c | 158ba | GrenadaColonFlaw |
| View Flaw | Grenada | Line In Sail Flaw - Retouched | R1 / C1 | | | GrenadaLineInSailFlaw |
| View Flaw | Hong Kong | Coronation Toe to N Flaw | R2 / C9 | S12a | 171a | HongKongToeToNFlaw |
| View Flaw | Hong Kong | Broken Character Flaw | R6 / C6 LP | | 146a | HongKongBrokenCharacterFlaw |
| View Flaw | Hong Kong | Short R Flaw | R3 / C1 LP or R7 / C3 RP | 27d | 156a | HongKongShortRFlaw |
| View Flaw | Hong Kong | Victory Extra Stroke Flaw | R1 / C2 | S11a | 170a | HongKongVictoryExtraStrokeFlaw |
| View Flaw | Jamaica | Man Fishing Flaw | R6 / C10 | 6b | | JamaicaManFishingFlaw |
| View Flaw | Jamaica | Exhaust Pipe Flaw | R10 / C2 | 12b | | JamaicaExhaustPipeFlaw |
| View Flaw | Jersey | Ring Flaw | R8 / C6 | J1a | | JerseyRingFlaw |
| View Flaw | KUT | Retouched Tablet Flaw | R9 / C6 | 23b | 131ad | KUTRetouchedTabletFlaw |
| View Flaw | KUT | Mountain Retouch Flaw | R6 / C7 | 11a | 135a | KUTMountainRetouchFlaw |
| View Flaw | KUT | Crescent Moon Flaw | R20 / C4 | 43a | 154a | KUTCrescentMoonFlaw |
| View Flaw | Kuwait | 2/6 Type II Overprint | | 45b | 90b | KuwaitTypeIIOverprint |
| View Flaw | Leeward Islands | 6d Broken E Flaw | R4 / C1 LP | 8d | 109ab | LeewardIs6dBrokenEFlaw |
| View Flaw | Leeward Islands | DI Flaw | R9 / C6 RP | 9a | 110a | LeewardIsDIFlaw |
| View Flaw | Malta | Windows at Right Flaw | R2 / C7 | 8b | 221a | MaltaWindowsAtRightFlaw |
| View Flaw | Malta | Damaged Value Tablet Flaw | R4 / C9 | 19a | 229a | MaltaDamagedValueTabletFlaw |
| View Flaw | Malta | Semaphore Flaw | R2 / C7 | 20a | 230a | MaltaSemaphoreFlaw |
| View Flaw | Malta | Halation Flaw | R2 / C5 | S23c | 238ba | MaltaHalationFlaw |
| View Flaw | Malta | NT Joined Flaw | R4 / C10 | S19b | 247a | MaltaNTJoinedFlaw |
| View Flaw | Mauritius | Q for O Flaw | R10 / C5 | 21a | | MauritiusQforOFlaw |
| View Flaw | Montserrat | Engraver's Slip Flaw | R10 / C5 | 8a | | MontserratEngraversSlipFlaw |
| View Flaw | Nauru | Doubled Upper Frameline Flaw | R4 / C4 | S3a | | NauruDoubledFramelineFlaw |
| View Flaw | Newfoundland | A Flaw | R5 / C9 | 2e | 278b | NewfoundlandAFlaw |
| View Flaw | Newfoundland | Fish Hook Flaw | R1 / C7 or R3 / C3 | S4a | 257b | NewfoundlandFishHookFlaw |
| View Flaw | Newfoundland | Medallion Re-Entry Flaw | R4 / C8 | S6b | 259b | NewfoundlandMedallionReentryFlaw |
| View Flaw | New Zealand | Captain COQK Flaw | R1 / C4 | 33a | 589ea | NewZealandCaptainCoqkFlaw |
| View Flaw | New Zealand | Plane Tail Retouch Flaw | R2 / C4 or R3 / C2 | S22a | 671a | NZPlaneTailRetouchFlaw |
| View Flaw | Northern Rhodesia | Tick Bird Flaw | R7 / C1 | 6b | 30b | NoRhodTickBirdFlaw |
| View Flaw | Papua | Halo Flaw | R5 / C2 | S1a | | PapuaHaloFlaw |
| View Flaw | St. Kitts-Nevis | 3d Break in Value Tablet | R12 / C5 | S12d-TypeA | 73da | StKittsNevis3dBreakInValueTabletFlaw |
| View Flaw | St. Kitts-Nevis | Dented Frame Flaw | R2 / C5 | S15a | | StKittsNevisDentedFrameFlaw |
| View Flaw | St. Kitts-Nevis | 1/ Break in Value Tablet | R3 / C2 | 14a-TypeC | 75ba | StKittsNevis1SHBreakinValueTabletFlaw |
| View Flaw | St. Kitts-Nevis | 5/ Break in Value Tablet | R12 / C3 | 16a-TypeF | 77ba | StKittsNevis5SHBreakinValueTabletFlaw |
| View Flaw | St. Kitts-Nevis | Break in Frame Left | R7 / C1 | 16a-TypeE | 77bd | StKittsNevisBreakinFrameLeftFlaw |
| View Flaw | Seychelles | Major Retouch | R3 / C1 | 17d | | SeychellesMajorRetouch |
| View Flaw | South Africa | Spear Flaw | R9 / C2 | X8b | 46b | SASpearFlaw |
| View Flaw | South Africa | Monkey in Tree Flaw | R2 / C2 | | 46c | SAMonkeyInTreeFlaw |
| View Flaw | South Africa | Twisted Horn Flaw | R1 / C5 | X10a | 48b | SATwistedHornFlaw |
| View Flaw | South Africa | Coronation Mouse Flaw | R4 / C1 | S3b | 73a | SACoronationMouseFlaw |
| View Flaw | South Africa | Coronation Missing Hyphen Flaw | R2 / C13 | S5b | 75a | SACoronationMissingHyphenFlaw |
| View Flaw | South Africa | Coronation Dot in place of Hyphen Flaw | R4 / C17 | CS5c | | SADotforHyphenFlaw |
| View Flaw | South Africa | Blinded Princess Flaw | R19 / C2 | S38a | | SouthAfricaBlindedPrincessFlaw |
| View Flaw | South Africa | UPU G for C Flaw | R1 / C1 | S43a | 130a | SAUPUGforCFlaw |
| View Flaw | South Africa | UPU Lake in East Africa Flaw | R2 / C19 | S43b | 130b | SouthAfricaUPU-LakeInAfricaFlaw |
| View Flaw | South Africa | Postage Due Doubled 2 | | PD9a | D36a | SAPDDoubled2 |
| View Flaw | South West Africa | Coronation Frame Re-entry Flaw | R6 / C3 | S6a | 102a | SWACoronationFrameReentryFlaw |
| View Flaw | South West Africa | Missing Background Flaw | Last Column | S23a | | SWAMissingBackgroundFlaw |
| View Flaw | Southern Rhodesia | Shaded Collar Flaw | R6 / C1 | S7a | 55a | SoRhodesiaShadedCollarFlaw |
| View Flaw | Southern Rhodesia | Line Under Saddlebag Flaw | R6 / C10 | S13d | 61b | SoRhodesiaLineUnderSaddlebagFlaw |
| View Flaw | Sudan | 2 Dots Omitted Flaw | R8 / C6 | 2b | 78b | Sudan2DotsOmittedFlaw |
| View Flaw | Sudan | Broken Lam Flaw | R6 / C2 | 2d | 78d | SudanBrokenLamFlaw |
| View Flaw | Tonga | Lopped Branch Flaw | R8 / C5 | 4a | 75a | TongaLoppedBranchFlaw |
| View Flaw | Tonga | Wide D Flaw | R4 / C10 | 6a | | TongaWideDFlaw |
| View Flaw | Tonga | 2-1/2 D ValueRecutFlaw | R1 / C1 | 6b | 77a | Tonga2HalfValueRecutFlaw |
| View Flaw | Coronation Omnibus | Cook Islands Small S Flaw | R1 / C2 | S3a | 126a | CookIsCoronationSmallSFlaw |
| View Flaw | Coronation Omnibus | Mauritius Line by Sceptre Flaw | R5 / C3 | S3b | 251b | MauritiusCoronationLineBySceptreFlaw |
| View Flaw | Coronation Omnibus | Solomon Islands Handkerchief Flaw | R1 / C6 | S6a | 75a | SolomonHandkerchiefFlaw |
| View Flaw | RSW Omnibus | Cyprus Extra Decoration Flaw | R3 / C5 | S6a | 166a | CyprusRSWExtraDecorationFlaw |
| View Flaw | RSW Omnibus | Kuwait Short Bars Flaw | R3 / C4 | S2a | 75a | KuwaitRSWShortBarsFlaw |
| View Flaw | UPU Omnibus | Lake in India Flaw | R8 / C2 | S16b | 499b | UPULakeinIndiaFlaw |
| View Flaw | Victory Omnibus | Double Flag Flaw | R5 / C2 | S9a | 262a | BarbadosVictoryDoubleFlagFlaw |
| View Flaw | Victory Omnibus | Bechuanaland Barbed Wire Flaw | R9 / C6 | S4a | | BechVictoryBarbedWireFlaw |
| View Flaw | Victory Omnibus | Cayman Islands Thick Framelines Flaw | R8 / C3 | S4a | | CaymanVictoryThickFrameLinesFlaw |
| View Flaw | Victory Omnibus | Falkland Islands Crown Re-entry Flaw | R8 / C5 | S5a | 165a | FalklandCrownReentryFlaw |
| View Flaw | Victory Omnibus | Mauritius Victory Flag Flaw | R3 / C1 | S5b | | MauritiusVictoryFlagFlaw |