1857 (Jan. 20) San Francisco, Cal. To Hamburg, Germany, folded letter sent per Prussian Closed Mail with "San Francisco, Cal, 30, Jan 20, 1857" integral rate cds and "Paid" handstamp, New York transit (2.14) with Aachen boxed date stamp and paid to frontier handstamp all in red, Very Fine and choice. Estimate  $150 - 200. $0 (Image)