Brazil (colonial)
Brazil, 80 reis, shield countermark (1809, Joao Prince Regent) on a copper XL reis of 1790, Maria I.Gomes-96.02; Russo-354; KM-290.1.26.59 grams.Uneven XF countermark on a VF host, brown copper surfaces with faint rainbow toning.
Estimate: 50-75 USD