Home / Errors, Flaws & Scarcities Errors, Flaws & Scarcities Sort Sort by:As SG CatalogueWhat's newPrice low to highPrice high to low Showing 139 of 139 Products Errors, Flaws & Scarcities Showing products 1 to 96 of 139 Sort by:As SG CatalogueWhat's newPrice low to highPrice high to low SG178s - SG181s Set of 3 Overprint Specimen Type 11 Extremely Lighted Mounted Mint £795.00 Add to cart Quickview 1913 SG403 £1 Green Seahorse Stamp Waterlow Unmounted Mint (Stock SH0073) £1,750.00 Add to cart Quickview LS39a "EMILE" ERROR 2007 Memories of Wembley Stadium (Smilers Sheet) £175.00 Add to cart Quickview LS38a "Isle of White" ERROR Glorious England (Smilers Sheet) £395.00 Add to cart Quickview SG329var N8f White Spot on Forehead Flaw R20/11 Type I Die B Crown Watermark Unmounted Mint £125.00 Add to cart Quickview SG476ab (Q29b) GASHED DIADEM FLAW 2/6 Brown Unmounted Mint £195.00 Add to cart Quickview SG632c Kent Omitted Error R18/12 in positional Block of 9 (National Productivity Year Ordinary) £52.50 Add to cart Quickview SG681b Lake in Russia Flaw in Vertical Strip of 3 (Ordinary) £39.95 Add to cart Quickview SG681pb Lake in Russia Flaw in Cylinder Block of 6 (Phosphor) £47.50 Add to cart Quickview SG129 £1 Brown-Lilac G-F Very Fine Used (Maltese Cross Watermark) £1,750.00 Add to cart Quickview SG136 £1 Brown-Lilac Very Fine Used (Large Anchor Watermark) £3,250.00 Add to cart Quickview SG185 £1 Brown-Lilac (Crowns Watermark) Good Used Stamp B-D £375.00 Add to cart Quickview SG186 £1 Brown-Lilac (Orbs Watermark) Good Used Stamp B-B £795.00 Add to cart Quickview SG137 £5 Orange Stamp D-M Good Used No Faults £1,595.00 Add to cart Quickview SG126 5/- Rose D-I Plate 2 Used (Maltese Cross Watermark) £125.00 Add to cart Quickview SG126 5/- Rose E-G Plate 1 Very Fine Used (Maltese Cross Watermark) £295.00 Add to cart Quickview SG126 5/- Rose H-I Plate 1 Fine Used (Maltese Cross Watermark) £195.00 Add to cart Quickview SG134 5/- Rose B-B Fine Used (Large Anchor Watermark) £525.00 Add to cart Quickview SG135 10/- Greenish Grey F-F Good Used (Large Anchor Watermark) £895.00 Add to cart Quickview 1913 SG403 £1 Green Seahorse Stamp Waterlow Fine Mounted Mint (Stock SH0003) £1,975.00 Add to cart Quickview 1929 SG438 £1 PUC Unmounted Mint Marginal (stock ref 438006) £750.00 Add to cart Quickview 1929 SG438 £1 PUC Unmounted Mint Marginal (stock ref 438023) £750.00 Add to cart Quickview SG315 2s6d Dull Greyish Purple Somerset House Printing Unmounted Mint (Stock E70013) £995.00 Add to cart Quickview SG316 2s6d Dull Reddish Purple Somerset House Printing Unmounted Mint (Stock E70014) £395.00 Add to cart Quickview SG317 2s6d Dark Purple Somerset House Printing Unmounted Mint (Stock E70015) £395.00 Add to cart Quickview SG318 5/- Carmine Somerset House Printing Unmounted Mint (Stock E70016) £495.00 Add to cart Quickview SG318 5/- Carmine Somerset House Printing Unmounted Mint (Stock E70017) £495.00 Add to cart Quickview SG318 5/- Carmine Somerset House Printing Unmounted Mint (Stock E70048) £495.00 Add to cart Quickview SG319 10/- Blue Somerset House Printing Unmounted Mint (Stock E70003) £995.00 Add to cart Quickview SG319 10/- Blue Somerset House Printing Unmounted Mint (Stock E70004) £995.00 Add to cart Quickview SG319 10/- Blue Somerset House Printing Unmounted Mint (Stock E70005) £1,075.00 Add to cart Quickview SG839b ERROR Missing Emerald 1970 Christmas Stamp (With Normal for Comparison) £90.00 Add to cart Quickview SG838var ERROR Phosphor Band at Right 1970 Christmas Stamp £25.00 Add to cart Quickview SG683wi Inverted Watermark 1965 International Telecommunications Union (Ordinary) £22.50 Add to cart Quickview SG616ba 4½d Chestnut Phantom Frame R20/12 From Cyl 8 No Dot (Wilding Stamps) £75.00 Add to cart Quickview SG577a 4½d Chestnut Phantom Frame R20/12 From Cyl 8 No Dot (Wilding Stamps) £75.00 Add to cart Quickview SG575db 3d Deep Lilac Phantom "R" 2nd Retouch R20/12 From Cyl 41 No Dot (Wilding Stamps) £25.00 Add to cart Quickview SG575da 3d Deep Lilac Phantom "R" 1st Retouch R20/12 From Cyl 41 No Dot (Wilding Stamps) £25.00 Add to cart Quickview SG2 1840 Penny Black INVERTED WATERMARK Plate 1b E-K 4 Margin 1 £495.00 Add to cart Quickview SG212 £1 Green Used Stamp R-C No Faults (1) £225.00 Add to cart Quickview SG266 £1 Dull Green MOUNTED MINT (Edward VII Stamps) (stock E70044) £795.00 Add to cart Quickview 1929 SG438 George V £1 PUC Lightly Mounted Mint (Stock 438001) £425.00 Add to cart Quickview 1929 SG438 George V £1 PUC Lightly Mounted Mint (Stock 438002) £425.00 Add to cart Quickview 1929 SG438 George V £1 PUC Lightly Mounted Mint (Stock 438020) £425.00 Add to cart Quickview 1929 SG438 George V £1 PUC Lightly Mounted Mint (Stock 438021) £425.00 Add to cart Quickview 1929 SG438 George V £1 PUC Lightly Mounted Mint (Stock 438024) £425.00 Add to cart Quickview SG185 £1 Browb-Lilac (Crowns Watermark) Good Used Stamp J-D £375.00 Add to cart Quickview SG185 £1 Brown-Lilac (Crowns Watermark) Good Used Stamp I-C £375.00 Add to cart Quickview SG324s "SPECIMEN" Type 22 ½d Yellow Green Type I Die B Crown Watermark MOUNTED Mint £195.00 Add to cart Quickview _S25var (XS48) 7½p Chestnut 2 Bands FCP/PVA (Scotland Regional Stamps) £49.00 Add to cart Quickview SG319 10/- Blue Somerset House Printing Unmounted Mint Marginal with Certificate (Stock E70002) £995.00 Add to cart Quickview SG320 £1 Deep Green Somerset House Printing Unmounted Mint (Stock E70006) £1,595.00 Add to cart Quickview SG320 £1 Deep Green Somerset House Printing Unmounted Mint (Stock E70007) £1,595.00 Add to cart Quickview SG202var Spec K32var Imperf Plate Proof Block of 4 Lightly Mounted (Catalogue £1300.00) £595.00 Add to cart Quickview 1913 SG403 £1 Green Seahorse Stamp Waterlow Fine Mounted Mint (Stock SH0002) £1,975.00 Add to cart Quickview SG137 £5 Orange Stamp C-B Very Fine Used No Faults £2,995.00 Add to cart Quickview Wales Regional Colour Trial 2nd Class New Blue £75.00 Add to cart Quickview Wales Regional Colour Trial 2nd Class Olive Brown £75.00 Add to cart Quickview England Regional Colour Trial "E" Slate Green £75.00 Add to cart Quickview HB3(var) Stunning OVER -INKING ERROR Stamp Booklet Cylinder W10 W21 W14 £75.00 Add to cart Quickview SG493var "Spot On Shoulder" Flaw QCom10a R15/1 (Unmounted Mint) £29.95 Add to cart Quickview SG489var Q14f "b" for "d" Flaw R18/3 in Positional Cylinder Block of 12 Unmounted Mint £55.00 Add to cart Quickview SG496a Crown Flaw R20/2 in Cylinder Block of 6 (Stock Ref 71290) £55.00 Add to cart Quickview SG496a Crown Flaw R20/2 in Cylinder Block of 6 (Stock Ref 71289) £55.00 Add to cart Quickview SG681pa Broken Circle Flaw in Block of 4 (Phosphor) £47.50 Add to cart Quickview SG681b Lake in Russia Flaw in Cylinder Block of 6 (Ordinary) £47.50 Add to cart Quickview SG681a Broken Circle Flaw in Positional Block of 6 (Ordinary) £47.50 Add to cart Quickview SG492a Seven Berries Flaw 1946 Victory - Peace Stamp £22.50 Add to cart Quickview SG632c Kent Omitted Error R18/12 in positional Block of 6 (National Productivity Year Ordinary) £52.50 Add to cart Quickview SG637pa Caterpillar Flaw R3/2 in positional Block of 6 (National Nature Week Phosphor) £55.00 Add to cart Quickview BB29 Edition 317 (1935) 3/- King George V Stamp Booklet £425.00 Add to cart Quickview _X969var FORGERY Block of 4 24p Chestnut (X Number Machin Stamps) £35.00 Add to cart Quickview _X969var FORGERY 24p Chestnut (X Number Machin Stamps) £8.95 Add to cart Quickview SG716h Broken Undercarriage R13/6 Listed Flaw in Positional Block of 4 (EFTA Ordinary) £27.50 Add to cart Quickview SG752a Listed Flaw - Broken Scale - 1967 British Discovery and Inventions Stamp £33.00 Add to cart Quickview SG364a 1½d Chestnut PENCF Error Unmounted Mint £110.00 Add to cart Quickview SG763a Printed on the Gum Side ERROR (Block of 4) 1968 British Bridges Stamp £110.00 Add to cart Quickview SG489var Q14f "b" for "d" error 2½d Light Ultramarine Unmounted Mint £55.00 Add to cart Quickview SG705pj-712j Missing Grey Error 1966 900th Anniversary of the Battle of Hastings Phosphor £175.00 Add to cart Quickview _DX2var Missing Phosphor Pane 4 DP43/N 1980 Wedgwood Prestige Stamp Booklet £35.00 Add to cart Quickview _DX3var Missing Phosphor Pane 1 DP55/N 1982 Stanley Gibbons Prestige Stamp Booklet £50.00 Add to cart Quickview _DX3var Missing Phosphor Pane 4 DP58/N 1982 Stanley Gibbons Prestige Stamp Booklet £30.00 Add to cart Quickview _SG889a Olive-Brown Omitted Error (Skinn Colour etc) with normal for comparison £175.00 Add to cart Quickview _SG914b Bright Green Omitted (Lower Robe Inlays) Error with normal for comparison £150.00 Add to cart Quickview _SG923b & 924b Se-tenant Pair Gold (Queens Head) Omitted Error with normal for comparison £185.00 Add to cart Quickview _SG948b Grey Black Omitted Error (Value & Inscription etc) with normal for comparison £120.00 Add to cart Quickview _SG948g Bright Rose-Red Omitted Error (King's Robe) Corner Marginal £120.00 Add to cart Quickview _SG948g Bright Rose-Red Omitted Error (King's Robe) with normal for comparison £120.00 Add to cart Quickview _SG981a Black Omitted Error with normal for comparison £75.00 Add to cart Quickview _X907 (var) U237c Left Band Error 15½p Pale Violet (X Number Machin Stamps) £47.50 Add to cart Quickview _X907 (var) U237d Right Band Error 15½p Pale Violet (X Number Machin Stamps) £47.50 Add to cart Quickview FA11ba DB6(11)A/1 Miscut Pane Chambon Print London January 1980 (10p Folded Booklets) £260.00 Add to cart Quickview FB26 MISSING PHOSPHOR Rare Farm Animals Series No 4 Orkney Sheep (50p Folded Booklets) £275.00 Add to cart Quickview SG1125Ea Missing P in Value Error 1980 12p Famous Women Stamp £12.00 Add to cart Quickview SG191var Imperf Colour Trial in Purple on Deep Blue Unwatermarked Paper MOUNTED Mint £295.00 Add to cart Quickview SG191var Perforated Colour Trial in Purple on Deep Blue Unwatermarked Paper MOUNTED Mint £295.00 Add to cart Quickview 12 Next page >
