Adams & Co., Sacramento, Express, bold red stylized rope oval handstamp with matching red "Paid" straight line on blue 1851 folded letter to San Francisco, Cal., with December 19th letter regarding the state of the whiskey market, an Extremely Fine strike, quite possibly the earliest known Adam's cover with the current finest collection of Adams not having a cover prior to July 1, 1851. Estimate  $750 - 1,000. $0 (Image)