Great Britain May 1840 1d Mulready envelope, Stereo A144, ME2b South Arabian Federation stamps measuring 11" x 9¼" of

measuring 11" x 9¼" of Old Tom Morris on the links at St Andrews golf course

The follow-up

lower right corner block of 4 with plate '1'

all with "NPM IMPRIMATUR" handstamps on reverse

Great Britain May 1840 1d Mulready envelope, Stereo A144, ME2b South Arabian Federation stamps measuring 11" x 9¼" ofGreat Britain May 1840 1d Mulready envelope, Stereo A144 (SG Specialised Catalogue Number: ME2b), to Westerham, Kent, cancelled by red Maltese Cross, dated 8 May 1840 in manuscript. Backstamped (London) K MY 9 1840 receiving house circular date stamp. A stunning quality Forme 2 Mulready envelope with famous Maltese Cross cancellation sent from London to Kent on the 3rd official day of usage (8th May 1840). May dates covers are desirable and highly