San Francisco, Cal., Jun 27, 1860 (San Francisco), bold sharp cds (SAF-530) on incoming double rate folded letter from Iquique, Peru, with "Yquio" dotted origin postmark and blue crayon "40" rate, "Panama, My 22, 1860" transit and "Missent" handstamp applied at the San Francisco post office, Very Fine and choice, a scarce usage bearing the rare San Francisco "Missent" marking. Estimate  $500 - 750. $0 (Image)