2018 PF70 EARLY RELEASES Falcon Lake Incident Silver Coin – Unexplained Phenomenon. Extremely Rare – Graded PF70 EARLY RELEASES ULTRA CAMEO. 2018 “Falcon Lake Incident” 1 oz. Pure silver proof coin Unexplained Phenomenon. The worlds most famous UFO sighting. At Falcon Lake, Manitoba in Canada… Officially documented as unexplained. A rare legal tender, pure silver […]