This type I single shot breech loading carbine was manufactured by J.H. Merrill of Baltimore, Maryland, circa 1862. The carbine a blade front sight and two-leaf folding rear sight. The breechblock has the later button type latch. A carbine sling bar and ring is attached to the left stock flat. The black walnut stock has the small patch box found on type I carbines with an additional nipple inside. The lock plate is roll stamped "J.H. MERRILL BALTO/PAT.JULY, 1858/APL 9 MAY 21-28-31" in front of the hammer. The serial number is stamped vertically on the lock plate behind the hammer and on the end of the breechblock. The top of the breechblock is stamped "J.H. MERRILL BALTO/PAT.JULY 1858".

Fair. The carbine has a mottled silver patina overall with various minor marks and scratches. The brass has an aged patina. The wood is also fair with a thin crack extending from the end of the upper tang towards the lock plate and some minor dings and marks. Mechanically fine.