Leach's Store, Cal., Jany 11/59 (Mariposa). Manuscript postmark on cover addressed to Hon. J.W. Denver in Washington D.C., matching "Paid 10" rate, cover edge wear and slight rough reduction at top, Fine, The unique Leach's Store, Cal. postmark, listed in Williams as no postmarks from this post office ever being recorded. Estimate  $300 - 400. $0 (Image)