1978 (03) Buildings (Stamps) - BFPS 'Alternative' Official

Amazing BFPS 'Alternative' Official

Tower of London, BF9000PS H/S.

This H/S was designed for the 'Tower of London' Official cover, but someone at Mill Hill decided that it was worth also putting onto this 'BFPS' cover, but by doing so, made this an 'Alternative' Official...

Code: 65472