Many more interesting items over the next few weeks. Come see us at a Fair - check out our dates above and on our site.And enter the search term in the box, or use the index on the HOME PAGE. Members of the Philatelic Traders Society (PTS). Great Britain Philatelic Society (GBPS). The item "1913 SG403 £1 Green Seahorse Very Fine Used Expertised Dr Knopke Cat. £1400.00" is in sale since Sunday, December 8, 2019. This item is in the category "Stamps\Great Britain\George V". The seller is "pennyblack1" and is located in Dorset. This item can be shipped worldwide.