Apache revolver - Wikipedia
Brass trigger guard hi-res stock photography and images - Alamy
Why did early 19th century revolvers have hidden triggers? Is it the addition of a trigger guard that eventually eliminated the hidden trigger design? - Quora
Boarding Pistol or Bayonet Pistol (U.S. National Park Service)
Flintlock Pistol, 9, Brass Trigger Guard W/ Acorn, No
The Metropolitan Museum of Art
Contemporary Makers: English Trade Gun by Ken Gahagan
Contemporary Makers: English Trade Gun by Ken Gahagan
FLINTLOCK PISTOL,German, ca. 1770. Round barrel (L 33 cm), Cal 15 mm. Flat lock plate and cock, decorated with flowers. Curved trigger guard. Walnut stock, carved with a rose, brass mounts. Wooden