(Marin) Bolinas, Cal., Sep 7 (1871). Double circle postmark (MRN-310) with target cancel on 10¢ yellow 1869, to Switzerland, with other markings front and on reverse, soiling and a few tone spots and edge faults, still one of the best of the Bolinas 10¢ 1869's, Fine. Estimate  $350 - 500. $0 (Image)