This circa 1865 flask is a small half pint with and applied ring collar top. I'm not 100% sure, but I think this is GXI-5 in McKearin. The base bottom is smooth, with a seam. It's crude with a rather long neck for this bottle.
Embossed: FOR PIKE'S PEAK / (picture of man walking with cane and sack over shoulder)
Height: 6 7/8 "
Condition: Attic mint - structurally perfect (no dings, chips, cracks), clean, hardly any wear.
Reference Number: L112