(Nevada) Wells, Fargo & Co. Express, Grass Valley, clear strike of blue oval handstamp cancels 3¢ red (U4) buff entire with Nesbitt seal on flap to San Francisco Cal., matching blue "Paid" in double-oval handstamp as frank; flap tear and minor edge stain, otherwise Very Fine and rare provisional frank use. Estimate  $300 - 400. $0 (Image)