Washburn's Express, News Agency, Camptonville, remarkable bold strike of blue oval handstamp (WAH-100) on small lady's enamel cover to Camptonville Cal. with manuscript "Russian River, Cal Feb 18" postmark and bearing 3¢ dull red (11A), four margins, cancelled by matching pen stroke; minor edge wear and aging not mention on certificate, Very Fine; with 2015 P.F. certificate. Estimate  $3,000 - 4,000. A STUNNING WASHBURN'S EXPRESS USE WITH GREAT EYE APPEAL BEARING THE 3¢ 1852 ISSUE. According to Thomas, this express is believed to have worked the mining camps along the northern Yuba River. He may have operated between Marysville, California and Camptonville, Cal. Most of the known examples of this express handstamp are he correspondence from Russian River to William H. Trimble. $0 (Image)