Lot
699 
(Mail Routes) "Steam Panama", clear strike of oval handstamp with matching "San Francisco Cal, 10, Apr 2" integral-due cds on inbound February 27, 1867 folded letter from Guatemala to San Francisco, partial "Correos, Feb 27" cds at bottom, red "Franco" framed handstamp and reverse with black "1" reales rating handstamp for postage to port; minor opening tear top right, Very Fine. Estimate $500 - 750.
A CHOICE "STEAM PANAMA" USE FROM CHILE TO SAN FRANCISCO CAL.
The San Francisco "Steam Panama" marking was applied to non-contract mail entering the port to indicate transit origin.
Realized: $400