Watch List notes:

Mexico, Gold 50 Pesos 1947, 'Centennial of Independence', obv. ESTUDOS UNIDOS MEXICANOS over national arms, rev. winged Victory dividing the dates 1821 and 1947, denomination to the left, '37.5Gr ORO PURO' to right, .900 gold, weight 41.8g, KM# 481, light contact marks otherwise GEF.
(Estimate: 1100 - 1300 GBP)