George IV Silver Bosun's/Boatswain's Whistle

Description:

George IV Silver Bosun's/Boatswain's Whistle, Birmingham, 1829, Joseph Willmore, maker, of typical form, the tubular whistle with reeded bands terminating in a rounded "buoy" with embossed crown and anchor decoration, engraved "keel," and key ring, lg. 5 3/8 in., approx. 0.7 troy oz.
Estimate $150-200

lacking chain