"Gregory's California Express". And "California Package & Parcel Express" and "Thompson & Hitchcock" signage in printed illustrated building design showing Gregory's New York City office on cover to Oriskany, New York, postmarked red "New York, Jul 21, 5cts" postmark, "1851" docket on the back, light edge wear and sealed tear affecting the postmark, Fine. Estimate  $100 - 150. This design shows the location of the Thompson & Hitchcock building at 149 Pearl Street at Beaver Street with Wall Street beyond. Thompson & Hitchcock were Gregory's New York agents. Packages, horse-drawn vehicles carrying packages, and numerous people in period finery complete the vignette. $0 (Image)