MEXICO. Tesoreria General del Estado Libre y Soberano de Son. 50 Pesos, 188X (1881). P-Unlisted. Front Proof Pattern. PMG Gem Uncirculated 65 EPQ.
A scarce ABNC proof pattern from the Libre y Soberano de Sonora. This is a rarely encountered design, and is mounted on cardstock and free of circulation. Beautiful embossing observed through the holder.
Estimate: $500.00- $1000.00