COUNTERSTAMPED COINAGE OF THE 17TH CENTURY
300-Reis counterstamp, 1668, over Spanish colonial 4-Reales piece from Potosí dated 1656, pillars and waves type, rev. crowned '300' in box counterstamp, 12.9 grms (host coin: Cal.666, counterstamped coin: Gomes, 3.01; KM.18.1; Ru.011.011), host coin very good, date fully visible, counterstamp better than fine

Details
300-Reis counterstamp, 1668, over Spanish colonial 4-Reales piece from Potosí dated 1656, pillars and waves type, rev. crowned '300' in box counterstamp, 12.9 grms (host coin: Cal.666, counterstamped coin: Gomes, 3.01; KM.18.1; Ru.011.011), host coin very good, date fully visible, counterstamp better than fine