Brazil silver 5000 reis.
Certified by NGC to MS 64.
Commemorative issue to celebrate Alberto Dumont (early Brazilian aviation pioneer).
Santos-Dumont designed, built, and flew the first practical dirigible, demonstrating that controlled flight was possible. He won the Deutsch de la Meurthe prize on 19 October 1901 for a flight that rounded the Eiffel Tower, which made him famous in the early 20th century.