Gregory's Express "Pocket Letter Book". Unused 1851 gold on black glazed letter book, Thompson & Hitchcock imprint, with original buff envelope; pristine, Extremely Fine. Estimate  $100 - 150. $0 (Image)

Gregory's Express "Pocket Letter Book". Pristine and unused, with information about Gregory's including list of branch offices like Canton, China, Honolul, S.I., Panama, etc. With original envelope., Very Fine to Extremely Fine, a scarce item with original envelope. Estimate  $100 - 150. $0 (Image)