1901, Brazil (Republic). Large Copper-Nickel 400 Reis Coin. Mint Years: 1901 Reference: KM-505. Denominations: 400 Reis Material: Copper-Nickel Weight: 12.07gm Diameter: 30mm Brazil, officially the Federal Republic of Brazil, is the largest country in both South America and the Latin American region. It is the world’s fifth largest country, both by geographical area and by pop ...