Gregory's Express, fairly well stuck seven-line Gregory handstamp in red with red "NOT PAID" in oval on light brown cover to Sacramento, Cal., F.-V.F., even rarer in red than the black handstamp. Estimate  $200 - 300. $0 (Image)

Gregory's Express, two covers with manuscript Gregory's Express indication, one "Express Gregory" and the other "Gregory's Express", both on folded letter to William Appleton in Boston, Mass., without any postal marking, first cover with Gregory "PAID" in circle, both from 1852; file folds, Very Fine. Estimate  $100 - 150. $0 (Image)

Gregory's Express "Pocket Letter Book", unused 1851 gold on black glazed letter book, Thompson & Hitchcock imprint, with original buff envelope, Extremely Fine. Estimate  $200 - 300. $0 (Image)

Gregory's Express Office, San Francisco, blue 3-line marking with San Francisco in small font and Express under right edge of the "G" of Gregory's, with matching "Not Paid" in oval on brown cover, red manuscript "2/" bits rate (25¢); small opening tear at top right, Very Fine. Estimate  $100 - 150. $0 (Image)