1879, 10¢ brown, with secret mark, nicely centered, tied by crossroads cancel on 1874 folded letter to San Jose, Costa Rica, red "San Francisco, Cal., Paid, Oct 3" cds and blue company cds, Extremely Fine, one of the finest examples to Costa Rica from the Millet correspondence, ex Del Campo. Scott No. 188  Estimate $400 - 600. $0 (Image)

1879, 10¢ brown, with secret mark, light barred cancel, exceptional centering, rich vibrant color, Extremely Fine to Superb; with 2010 P.S.A.G. Graded certificate (95). Scott No. 188  $33. $0 (Image)