Set of four late 19th-century percussion cap tins manufactured by the Union Metallic Cartridge Co., Bridgeport, Connecticut, each marked “Central Fire / Trimmed Edge / Foil Lined.” Gold printed tops with the UMC diamond trademark remain clear and legible. The two unopened tins retain their original green paper side seals marked “100 No. 10 Central Fire Caps,” while the other two reveal clean, intact copper percussion caps within. Collectively representing a uniform series from UMC’s post-merger production line. Dimensions approx.: 1.615 in. dia. x 0.615 in. H each Provenance: The Al and Carol Cali Collection. Pickup & Shipping: This lot may be picked up free of charge in Gardnerville, NV. It can also be delivered to the Annex Auctions facility for pick up in Sacramento for $25 pre invoice. Shipping via FedEx within the continental U.S. for $50 + 1.5% insurance (unless waived in writing). Combined lot shipping available. Very good overall. Bright gold tops with clear markings, moderate handling wear, and edge oxidation; unopened tins retain original green paper seals and are presumed full, while the other two reveal clean, intact copper percussion caps within.