Shaw & Ledoyt
New England Underhammer Percussion Single Shot Pistol, By Shaw & Ledoyt.
Circa 1850s.
Serial no. 172; .28 caliber, 4 inch part round, part octagonal barrel, with brass blade front sight, the upper tang marked with American eagle and shield motif and SHAW & LEDOYT/STAFFORD-CON; left side of barrel breech marked CAST STEEL; walnut grips mounted in brass.
Many thanks to "GREG MARTIN AUCTION" for the photos.