San Francisco, Cal. "Aug 1", straight line handstamp with magenta manuscript date and matching "40" rating at top right on blue folded letter datelined "At sea Lat 30° 42' Lon 134° 4' Tuesday June 26th" written by a 49er leaving Valparaiso on May 1st 1849 and addressed to Troy N.Y. that logs the journey of his ship until arriving at Monterey Bay on July 4th, additional manuscript "1849" docketing at left, Very Fine. Estimate  $1,500 - 2,000. THE LATEST RECORDED USE OF THE SAN FRANCISCO STRAIGHTLINE, ONE OF ONLY FOUR RECORDED EXAMPLES FROM THIS SAILING. Cover carried on the August 1st sailing of the PMSS "California" arriving at Panama on August 24th. The first San Francisco cds is also recorded being first used on the August 1st 1849 sailing and remained in use through the mid 1850s. $0 (Image)