After a design by William Wyon Unused block of four Penny Black

Downies Auction Catalogue, PDF, Auction

William penny hi-res stock photography and images - Page 2 - Alamy

Block 5 hi-res stock photography and images - Page 17 - Alamy

Postage stamps hi-res stock photography and images - Page 2 - Alamy

Design Museum (Museums, London, England) #22

GB : 1841 Red Brown & Red Maltese cross cat £4,500

The penny black 1840 hi-res stock photography and images - Alamy

William penny hi-res stock photography and images - Page 2 - Alamy

Unused block of four Penny Black postage stamps of Queen Victoria

Block of four stamps hi-res stock photography and images - Alamy

1840 Queen Victoria penny black postage stamp Stock Photo - Alamy