https://www.liveauctioneers.com/price-result/scarce-charles-e-billings-trapdoor-style-shotgun/
Scarce Charles E Billings Trapdoor Style Shotgun.
Cal. 16 Ga. S# 27. Charles E Billings was President of Roper Repeating Rifle CO. from 1865-1869,then operated 1869-1876
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