Watch List notes:

USA, 1871, Chicago laid waste by fire, struck in copper c1971 (45mm). Proof-like, extremely fine. Provenance - March 3 Civil service commission authorised; April 20 President given powers to suppress the Ku Klux Klan (KKK); October 8-10 great Chicago fire causes $196,000,000 property loss; November 7, Tweed ring in New York is overthrown by reform candidates after exposure.

Estimate: 50 AUD