cover 1840 (9 May), A174, used from Glasgow to Paris and then returned showing despatch and re-arrival datestamps of 9 and 19 May 1840, with red "P-D" in oval and "CALAIS" and London "PAID" datestamps on reverse, variously rated in manuscript; crease and with slight soiling. A rare overseas destination cover. B.P.A. Certificate (1996). Photo