Baltimore Arms Co. -- January 1900 to October 1904 -- manufactured a gun designed primarily by Frank A. Hollenbeck, covered by his patent #643,601 granted Feb. 13, 1900.
There are three different variations of Baltimore Arms Company doubles, the 1900 Model which was available only in 12-gauge and grades A with twist barrels, B with Damascus barrels, and C with some engraving and a choice of Damascus or steel barrels. Half-pistol grips were standard and the Grade C had the option of straight.
For the 1902 Model they added 16-gauges to the line, repositioned the sear spring and strengthened the protrusions on the toes of the hammers engaged by the cocking slide on the barrel lug. The A-Grade (list price $33) got the option of steel barrels, the B-Grade (list price of $46.50) got some line engraving and a capped full pistol grip, and the C-grade got more game scene and less scroll engraving ("Either half pistol or straight grip.
