Featured Listings in Errors & Varieties (see also GBPhilately.co.uk) > Inverted Watermark
1967 Discovery & Invention. UM marginal single WATERMARK INVERTED. SG 754Wi.
1967 Discovery & Invention. UM left marginal single WATERMARK INVERTED. SG 754Wi.
IanLasokSmith
1965 Battle of Britain 9d (ord) UM Cylinder block of four. WATERMARK INVERTED. SG 677Wi.
1965 Battle of Britain 9d (ord) Fine unmounted mint cylinder block of four WATERMARK INVERTED. SG 677Wi. Very scarce blck. "Woodstock" suggests no more 4 known
IanLasokSmith
1966 Battle of Hastings 1/3 (phos) UM cylinder block. WATERMARK SIDEWAYS INVERTED SG 712pWi.
1966 Battle of Hastings 1/3 (phos) Fine unmounted mint cylinder block. WATERMARK SIDEWAYS INVERTED (crowns point to right when viewed from back). SG 712pWi. As illu...
IanLasokSmith
1965 Parliament 2/6. Watermark Inverted. SG 664Wi.
Fine unmounted mint lower marginal single, watermark inverted.
IanLasokSmith
1965 Battle of Britain 1/3 (phos). Cyl. 1A1B1C1D1E no dot. INVERTED WATERMARK. SG 678pWi
WATERMARK INVERTED.
IanLasokSmith