used Pair, margins all round, marginal watermark line; slight loss of blueing and small ink mark on one stamp, otherwise fine. B.P.A. Certificate (1966)

Details
used Pair, margins all round, marginal watermark line; slight loss of blueing and small ink mark on one stamp, otherwise fine. B.P.A. Certificate (1966)
Provenance
"Salisbury", 1995, lot 1006