Lot
300 
Langton's & Bro.'s Express/Camptonville. Full blue oval handstamp on 1853, 6¢ green entire to Wyoming, Pa., canceled by blue grid handstamp with matching "Marysville, Cal., Feb 15" cds; light file folds and edge wear, F.-V.F., very scarce. Estimate $150 - 200.
Realized: $115