500-Reis counterstamp, 1663, over 400-Reis of João IV struck in Lisbon, legend: IOANNES IIII DG REX PORTUGALIE IN HOC SIGNO VINCES, rev. crowned 'S00' in box counterstamp, 21.3 grms. (host coin: Gomes, 31.03, counterstamp: Gomes, unlisted; KM.36; Ru.016.028), possibly removed from jewelry, host coin very fine, counterstamp extremely fine