Lot
4183 
1874 (Mar. 5) San Francisco Cal. to Melbourne, Australia, cover bearing United States, 1¢ blue (156), 3¢ green (158) and two 10¢ brown (161) singles for double the 12¢ treaty rate, tied by leaf cancels, magenta "San Francisco Cal., Paid, Mar 5" exchange cds, carried by ASN City of Melbourne to Sydney arriving Apr. 9th, Melbourne (4.11) transit backstamp, receipt docketing across face, F.-V.F. Estimate $200 - 300.
Double treaty rate paid, although United States and Victoria would not sign a postal treaty until 1878.
Realized: $180