MEXICO. Silver 50000 Pesos Pattern, 1990-Mo. Mexico City Mint. PCGS PROOF-67 Deep Cameo Gold Shield.KM-Pn244. Filled hat/large denomination variety. A different take on this large pattern issue, featuring a much bolder rendition of the denomination as well as a sombrero that is completely filled in. Highly reflective and frosted, offering an incredible cameo appeal.