bearing 4c. grey and 30c. vermilion (2) cancelled by "B62" in black and large "2/8" rate mark in red partly over the forwarding agent's cachet in blue in the lower corner; good to fine" /> cover SMITH, ARCHER & CO: 1870 (18 Apr.) double rate envelope to Edinburgh<I> "via Marseilles"</I> bearing 4c. grey and 30c. vermilion (2) cancelled by "B62" in black and large<I> "2/8"</I> rate mark in red partly over the forwarding agent's cachet in blue in the lower corner; good to fine | Christie's