(Mail Routes) New York & California Steam Ship Line For San Francisco. Via Nicaragua, C. Morgan, Agent. Illustrated steamship corner card on cover to Sheffield, Mass., "New - York, Ship 5 cts., Jun 6" cds, Very Fine, a rare advertising envelope from this short-lived line (March to July 1853), ex-Polland.
Estimate; $500 - 750. Est. $500-750 (Image)

Est. $500-750

(Mail Routes) Overland Mail - From San Francisco Via Los Angeles. Illustrated Six-Horse Stagecoach design with Hutchings & Rosenfield imprint below, on cover to Rockville, Md., franked with grid canceled 1857, 10¢ green, type V, matching "San Jose, Cal., Sep 2" cds; sealed cover tears with one affecting design, Fine.
Scott No. 35; Estimate $400 - 600. Est. $400-600 (Image)

Est. $400-600

(Mail Routes) Steam Mazatlan. Oval handstamp and "San Francisco, Cal., Feb 22" cds (Williams SAF-600) on incoming folded letter datelined "Fuerte, Jvre 28 de 1865", with additional "San Francisco, Cal., 10, Feb 22" integral rate cds used as due marking (William SAF-330); cover with some light toning along file fold, otherwise Very Fine, and a very rare usage from El Fuerte, Mexico.
Estimate; $750 - 1,000.

The letter would have to have crossed from Republican held territory into French held Mazatlan for a steamship to San Francisco, so this may explain the long time between writing in Fuerte and receipt in San Francisco. Est. $750-1,000 (Image)

Est. $750-1,000

(Mail Routes) Steam Mazatlan. Oval handstamp applied at San Francisco on inbound covers, postmarked "San Francisco, Cal./May 16, 1865" double circle and addressed to the Office of the P.M.S.Co. in San Francisco with black "10" due rate handstamp for the steamship rate; small flap fault, Very Fine and scarce short-lived steamer marking.
Estimate; $750 - 1,000. Est. $750-1,000 (Image)

Est. $750-1,000