Angels/May 22/Cal. (Calaveras), light strike of blue three line postmark (Williams CAL-60) on folded letter to Stockton, Cal., franked with 1851 3¢ dull red cancelled by matching circle of V's, datelined "Carson Hill 1854", letter reattached internally to outer lettersheet, F.-V.F., only a handful of these exist, illustrated in Simpson, ex-Vogel, Oakley & Myerson. Estimate  $400 - 600. $0 (Image)