Coin was 1709 Lima, Peru 8 Escudos, NGC MS62. Happened at CSNS. Pair of no-goods offered coin to dealer who was suspicious. He declined to buy and looked up coin … it was stolen. Thieves went to another table. First dealer called dealer at new table and told him to stall the thieves while security and cops were called. Some other dealers blocked exits. Security and cops arrested the thieves. Can read more about it in Wayne Homren’s weekly online column: https://www.coinbooks.org/v29/esylum_v29n18.html Mike