First is known as the "Radar Signal" ring featuring a brass base with adjustable bands and holding a rectangular off-white plastic stone on the top which will glow a soft blue color after a minute or so exposure to light and then darkness. Top slides off to reveal a hollowed-out interior secret compartment. With top removed, brass ring top than displays Sky King's Flying Crown logo. Each side of the ring carries the name "Sky King" above a winged propeller design. This is a superb example very close to Mint with just a tiny 1/16" hairline mark near the bottom of one narrow band and an extremely light ripple near the bottom of the other band. Comes with a second ring in silvered brass with adjustable bands. Each side has Indian symbols and the ring top has a scalloped oval metal frame holding a highly domed simulated turquoise stone. This ring was known as the Sky King Navaho Treasure Ring. About 99% Mint. Pair.