Gregory's, Express Office., San Francisco, blue three-line handstamp with matching "Not Paid" oval handstamp on folded letter datelined "San Francisco Dec. 4 / 51" and addressed to Port Richmond on Staten Island, N.Y., carried by the Golden Gate departing Dec. 5th to Panama arriving Dec. 18th, and then on the Ohio departing Chagres Dec. 22nd to New York arriving Jan. 6th; some edge wear, Very Fine. Estimate  $300 - 400. $0 (Image)