cover -- the selection of 1d. envelopes, comprising usages on May 7th, 9th (2), 12th, 16th, 18th, 19th, 20th, 21st, 22nd (2), 24th (third Sunday), 25th, 27th, 28th, 29th, 30th (2), mostly with clear or readable despatch backstamps, a few supplementary marks including the 12th May with red double-ring "MORE/TO/PAY" and manuscript "2"; condition a little mixed but a number of very attractive examples included