1850 (Sep. 25) Valparaiso, Chile to San Francisco Cal., blue datelined folded letter with blue "VAPOR BOLIVIA/P" two-line handstamp with name of PSNC steamer Bolivia that departed Sept. 26th to Panama arriving Oct. 19th, then by PMSS California Nov. 1st to San Francisco arriving Nov. 22nd, San Francisco red "30" framed due handstamp applied on arrival, reverse with sender's "E. & T. Serruys & Ca. Valparaiso" sender's double-line oval; small bleached spot, F.-V.F., a scarce name-of-ship marking. Estimate  $300 - 400. $0 (Image)