Lot
19 
(Mail Routes) Steam Acapulco, clear strike of oval on 3¢ pink (U58) entire to San Francisco, Cal., canceled by "San Francisco, Cal, July 24" cds (Williams SAF-600) duplexed with cogwheel cancel, "DUE7" handstamp as the rate was 10¢ for under 2,500 miles; tiny edge tear at top, Very Fine and scarce. Estimate $750 - 1,000.
ONE OF ONLY 7 RECORDED EXAMPLES OF THE PMSS "STEAM ACAPULCO" OVAL HANDSTAMP.
San Francisco used a set of four oval steam markings indicating origin used in association with the four stops of the PMSS Co. ships running from Panama to San Francisco: Panama, Mazatlan, Acapulco, and Manzanillo. There are 47 covers total recorded by Mayer, of which only 7 are known for Acapulco.
Realized: $1,100