Heinrich Köhler 384 Auction – Day 2 Single Lots & Airmail and Zeppelin Mail – inclusive the collection of the Sieger family

1895 (January 30), cover to W.A. Cooper, San Francisco, franked with 1d. and “Surcharged 1-1/2d.” on 2d, perf 12x11.5, tied by Apia c.d.s. (Type 4), date slugs reversed and inverted, with San Francisco Paid All c.d.s. arrival backstamp (Feb 15), two small adhesive remnants on reverse, else fine.