Steamer Costa Rica / P.M.S.S. Co., neat strike of Pacific Mail Steam Ship Company circular cancel on 6¢ ultramarine (115), bright color, a Very Fine strike of this rare cancel; with 2014 P.F. certificate. Scott Nos. 115  Estimate $1,500 - 2,000. ONE OF ONLY TWO RECORDED EXAMPLES OF THIS CANCEL ON THE 6¢ 1869 ISSUE. $0 (Image)