6¢ Pink, pair and single, one faulty, used with 1879, 2¢ vermilion, tied by picnic fence fancy cancels duplexed with "Santa Cruz Cal. Dec 22" on registered 1879 folded letter addressed in attractive red manuscript to Switzerland; many backstamps including San Francisco, New York and Swiss (1.13) arrival, Very Fine and unusual fancy cancel use, ex-Fosdyke. Scott No. 186  Estimate $300 - 400. $0 (Image)