ISLE OF MAN 1973 (VARIETY) 3½P PORT ST MARY WITH GREY-BROWN BORDER, SHINY GUM
3½p Port St Mary, shiny gum, with border in a grey-brown shade (rather than olive-brown). Scarce. Gum thin otherwise fine. Mint never hinged. SG18a; SC18var; IMN30a
Note: prior to May 2010 the variety was only recorded on the 29 July 1974 printing with clear, matt gum
