Lot 524
2007 55c. Butterwort self-adhesive,...

Stamps and Postal History of the World | 5930
Auction: 29 March 2022 at 01:00 BST
Estimate: £350 - £450
Description
2007 55c. Butterwort self-adhesive, unmounted mint horizontal pair on original backing paper of the booklet cover showing the barest trace of the serrated (perforation) knife which does not break the surface of the paper, the right stamp is slightly bucked, probably from the perforator jam which caused the error, Hamilton-Bowen Certificate (2015), a mostly unusual pair, SG 1697var, Hib. D314a

