San Francisco Cal. 21 May, two strikes of cds tie 1¢ blue, type IV (9), four margins, and 3¢ dull red (11), margins except touched at bottom, on 10¢ green (U15) addressed to Bridgeport Vt., carried by John L. Stephens from San Francisco on May 21st 1856 to Aspinwall, then by the George Law on June 5th arriving in New York on June 16th 1856; some edge wear, Very Fine and attractive three-color use. Estimate  $1,000 - 1,500. On June 30th 1851, the rate for over 3,000 prepaid at 6¢ replaced the previous 40¢ rate between the west and east coasts. On April 1st 1855, after the opening of the Panama Rail Road in February the rate was increased to 10¢. $0 (Image)