1c Bowlsby Patent Coupon, Die Essay on India (63-E13a).
Seven, each a different color, reduced below die sinkage and off card but large margins (approximately 41 x 65mm with one smaller), bright colors, a few typical India paper imperfections
VERY FINE GROUP OF BOWLSBY PATENT COUPON LARGE DIE PROOFS.
These are rarely seen as a group. Scott Retail as die sunk
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