A selection, including printings in vermilion with "SPECIMEN" overprints types 9 and 12, a range of unused, used with some better cancellation types (T.P.O., etc.); printings in green with "SPECIMEN" type 11, rough plate proof on buff paper, unused with "R" control corner block of four showing experimental vertical comb perforator, watermark inverted single and block of four, watermark reversed (unlisted by S.G.) lower marginal pair, also a few used; mostly fine. (67 stamps)
A selection, including printings in vermilion with "SPECIMEN" overprints types 9 and 12, a range of unused, used with some better cancellation types (T.P.O., etc.); printings in green with "SPECIMEN" type 11, rough plate proof on buff paper, unused with "R" control corner block of four showing experimental vertical comb perforator, watermark inverted single and block of four, watermark reversed (unlisted by S.G.) lower marginal pair, also a few used; mostly fine. (67 stamps)
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