Percussion Cap Shotgun, the first 6" of this percussion cap shotgun's barrel is octagonal and then becomes hex decagonal (16 sided) for another 3 1/2" and then becomes round. Total barrel length is 31". Top of barrel impresses, "London" and side lock is impressed, "Harrold,", overall length of shotgun is 46 3/4", as found. Estimate $75-150
