Eine Frage zu diesem Los stellen

Los 68

10 d. blue on thin paper with good to large even margins, tied by light numeral "16" to envelope with clear adjacent "HAMILTON MAY 11 1857" to London with red paid-marking on front, very fine, certificate BPA (1995) Provenance: Charles P. de Volpi Warren Wilkinson (2007) Joseph Hackmey (2011)