Great Britain 1965 4d-1s Centenary of Joseph Lister Discovery of Antiseptic (Phosphor), SG667/8pvar British Antarctic Territory stamps four panes each 16 x

four panes each 16 x 4 with two rows inverted) including 112 vertical tete-beche pairs (of which 48 are interpane)

A scarce multiple

Henry VI AR Groat 1445-54 London

each denominated "20c"

Great Britain 1965 4d-1s Centenary of Joseph Lister Discovery of Antiseptic (Phosphor), SG667/8pvar British Antarctic Territory stamps four panes each 16 xGreat Britain 1965 4d 1s Centenary of Joseph Lister Discovery of Antiseptic (Phosphor), SG667 8pvar. Superb unmounted mint, with full original gum, top marginal set of two imperforate imprimaturs, each stamp with a "BPMA" handstamp on reverse. A scarce set of of imprimaturs from the first approved printing sheets. Exceptional provenance as they were released from the British Postal Museum Archives in 2014. Prior to this they were stored in the museum