Details
Proof cover 1893 2a., size "F", Registered Letter 66mm. with stop, and 2a. size "J" with "R" over "LE", both perforated "SPECIMEN/B.W & CO/LONDON", endorsed "250" and dated "29th Dec. 1893"
Provenance
Printer's archive, Christie's Robson Lowe, September 1986 (£330)