1851 (Dec. 27) Princeton N.J. to San Francisco Cal., buff cover bearing 3¢ orange brown (10A), tied by "Princeton N.J. Dec 27" cds and with manuscript "Due 5" rating at left, rated totally unpaid with "New York '10' Jan 9" integral 10¢ due cds, original 1851 enclosure; light bend at right barely affects 3¢, Very Fine. Estimate  $200 - 300. $0 (Image)