QEII - Machin 150th Anniversary Penny Black
20p ACP/PVAD screened
sg W791 Connoisseur DHP202SCR. Screened value ex cyl 1A. Photogravure printed.
20p ACP/PVAD screened/thin paper
sg W791 Connoisseur DHP202SCR. Thinner or translucent paper, paper appears uneven from rear. Screened value ex cyl 1A. Photogravure printed.
20p ACP/PVAD unscreened
sg W791 Connoisseur DHP202. Unscreened value ex London Life book. Photogravure printed.
20p ACP/PVAD imperf edges
sg W791 Connoisseur DHP202SEL & DHP202SER. ex
20p ACP/PVAD imperf edges
sg W791 Connoisseur DHP202SRT & DHP202SRB. Blind perf ex 80p book. Photogravure printed.
20p 2B FCP/PVAD
sg W792 Connoisseur DHP200. Thin value set low, 11mm gap between bars ex London Life book. Photogravure printed.
20p 2B FCP/PVAD short bar
sg W792b Connoisseur DHP201BD. Short bars at top ex 50p book. Photogravure printed.
20p 2B FCP/PVAD bar error
sg W792b Connoisseur DHP201. Short thin bar on left just into ink, 17mm gap, right band is off the ink and goes most of the way up the label. ex 50p book. Not the listed variety. Photogravure printed.
20p colour shift down ACP/PVAD
sg W791 Connoisseur DHP202SCR. Buff colour shifted down by 5mm and into margin, also on QEII's nose. Photogravure printed.
20p colour shift up ACP/PVAD
sg W791 Connoisseur DHP202SCR. Buff colour shifted up by 3mm and into QEII's cheek. Photogravure printed.