Great Britain 1961 2½d-1s6d Post Office Savings Bank Centenary imprimaturs, SG623/5A var Queen Victoria stamps A very scarce specialised piece

A very scarce specialised piece of philately

with only one example known to exist

Very fine perforated block of four on gummed unwatermarked specially prepared handmade paper

A very fine unmounted original gum block of four example overprinted "CANCELLED" type 24

Great Britain 1961 2½d-1s6d Post Office Savings Bank Centenary imprimaturs, SG623/5A var Queen Victoria stamps A very scarce specialised pieceGreat Britain 1961 2d1s6d Post Office Savings Bank Centenary, SG623 5A var Imperforate Imprimatur Set A very fine unmounted mint set of three imperforate imprimaturs, issued to mark the centenary of the Post Office Savings Bank (18611961). Each stamp bears the official "NPM IMPRIMATUR" handstamp on the reverse, indicating origin from the National Postal Museum archive. The set includes: 2d (red) featuring Queen Elizabeth II and stylised thrift plant