unused Single, unused with part original gum, good margins on two sides, just cut-into at right corner; slight thinning. B.P.A. Certificate (1982)

Details
unused Single, unused with part original gum, good margins on two sides, just cut-into at right corner; slight thinning. B.P.A. Certificate (1982)
Provenance
Caspary, 1958, sale 12, lot 300
Sir Maxwell Joseph, 1982, lot 812
"Bonaventure", 1993, lot 295