Adams & Co. Express, Vallejo, red oval handstamp (Thomas unlisted) on 1853, 3¢ Nesbitt entire to San Francisco, matching boxed "Paid" handstamp alongside, lightened pencil crossing out "Adams & Co's" with lightened "Pacific Express" alongside, Very Fine, a likely unique Adam's Express handstamp on this rare transition cover when Pacific Express took over after Adams failed., ex Dale-Lichtenstein, Whitington & Schaefer. Estimate  $1,000 - 1,500. $0 (Image)