USA. 1 Dollar 2004 P, Philadelphia, 125th anniversary of the invention of the light bulb, Thomas Alva Edison, KM 362, Silver 38,1 mm, weight 26,73 g. .900, Condition Proof
Laos (Peoples Democratic Republic) 50 Kip 1985, 10th Anniversary of People's Democratic Republic Valley of Jars, KM 28, Silver 37 mm, weight 32,2 g. .900, Condition NGC PF 68 Ultra Cameo