Error Note Chronicles: Watermark Errors | PMG
1875 INVERTED WATERMARK STAMP - Victoria (Australia) SG213, Hobbies & Toys, Collectibles & Memorabilia, Stamps & Prints on Carousell
1967 Discovery & Invention. UM marginal single WATERMARK INVERTED. SG 754Wi.
102480 - PL.47 (NG) WATERMARK INVERTED (SG40Wi). – Bill Barrell Ltd
Small format 1d scarlet watermark SIDEWAYS INVERTED (38734)
Sg 205wi 4d Green & Purple Brown INVERTED WATERMARK | Andrew Vaughan Philatelics
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1964 | Geographical | 8d | Watermark Inverted Stamp
5000 Rubles 1919 with inverted watermark P-S419b PMG 35 Choise Very Fine Printing Error South
SG616aWi 4d Dark Ultramarine 1960 Phosphor Issue with 2 Bands Inverted Watermark Wilding Stamps
SG218wi ½d yellowish green watermark inverted
AUSTRALIA: KGV Heads - Single Watermark: 1d Red Rough Paper Perf 'OS' Die II INVERTED WATERMARK, small-part gum; BW. 72bb(a)i- extrapolated Cat. $1300 .
![Natal 1874 QV 6d Variety Inverted Watermark [..esprz/079] - CHF325.00 : Filat ch, Fine Philately of Africa & Europe](https://www.filat.ch/images/pictures/esprz079.jpg "Natal 1874 QV 6d Variety Inverted Watermark [..esprz/079] - CHF325.00 : Filat ch, Fine Philately of Africa & Europe")
Natal 1874 QV 6d Variety Inverted Watermark [..esprz/079] - CHF325.00 : Filat ch, Fine Philately of Africa & Europe
Inverted Watermark King George V Three Half Pence - Stamp Community Forum
GB QEII Wilding 1954 2d Red Brown SG518wi Inverted Watermark Used | eBay
Value of an Australia 2d KGV Red Inverted Watermark stamp?? - STAMPBOARDS - Postage Stamp Chat Board and Stamp Forum
101865 - PL.58 (DF) INVERTED WATERMARK (SG40Wi)/IRISH USAGE. – Bill Barrell Ltd
U.S. Scott 264 used inverted Watermark | United States, General Issue Stamp / HipStamp
Sg 439-449wi Set of 3 WATERMARK INVERTED UNMOUNTED MINT | Andrew Vaughan Philatelics
WA SG 113w INVERTED WATERMARK 1898-1907 2d bright yellow
Value of an Australia 2d KGV Red Inverted Watermark stamp?? - STAMPBOARDS - Postage Stamp Chat Board and Stamp Forum
Australia KGV Head Stamp SG77w 1½d Scarlet, watermark inverted
Italy Scott #24c Used Inverted Watermark | Europe - Italy, General Issue Stamp / HipStamp
GB QV EMBOSSED Stamp SG60wi 6d Purple WATERMARK INVERTED Used Cat £1,000 BLRED22 - Samwells Postal History
