L.G. Balfour Co. (American). Extremely scarce commemorative tribute medallion charm coin pendant commissioned by and struck for NASA for distribution to space industry employees who worked on missions. Commemorates astronauts David Scott (American, born 1932), Alfred Worden (American, 1932-2020), and James Irwin (American, 1930-1991), and the Apollo 15 mission, July-August 1971, the fourth manned landing on the Moon, and the first to use the Lunar Rover, or Moon Buggy. Good overall condition, normal wear. Measures 1 1/4 in. diameter, weighs 22.7 grams. Hill Auction Gallery in house USA continental Shipping $35 plus insurance. Gallery will refer local third party USA and international shippers. Purchaser pick up available upon request.