Gregory's Express. Large blue two line handstamp on blue folded cover to San Francisco with matching "Paid" in oval at left, some minor water staining, otherwise Very Fine. Estimate  $300 - 400. $0 (Image)

Gregory's Express. Large red two line handstamp on blue 1852 folded cover from Sacramento to San Francisco with matching "Paid" in oval at left, interesting political contents, Extremely Fine, a lovely cover with the red Gregory's marking much scarcer than the blue. Estimate  $300 - 400. $0 (Image)