Medium size Eley Bros, London 250 japanned tin cap tin with circular orange label which reads: “250 / Waterproof / PERCUSSION CAPS / FOR / CENTRAL-FIRE / BREECH-LOADING / CASES / (REGISTERED). ELEY BROs LD., LONDON.” Primers for Colt Thuer revolvers. Cap tin only, no primers included. See “Colt Accoutrements 1834- 1911” by Robin Rapley, page 208. Fine condition.