1799R Brazil 6400R - 1799R Brazil 6400R NGC MS62. KM # 226.1. This Mint State 1799-R 6400 reis from Brazil has bright mint luster in protected areas on both sides of the coin. The coin is tied for the fines known at NGC. The surfaces are a mixture of yellow gold and greenish gold, which establish the coins originality. Abrasion marks are few with none visible without the aid of magnification. The strike strong with full details present on Marias hair, her headdress, and the arms on the reverse. The obverse strike is slightly off center causing a wider rim to be seen on the left at 3:00. 

Struck at the Rio de Janeiro Mint, the coin portrays Maria I, ruler of Portugal and its colony, Brazil. She faces right in profile with her hair in a bejeweled headdress. The inscription reads MARIA I DG PORT ET ALG REGINA, with the date below. The mintmark is to the right of the date. The reverse shows the crowned arms of Portugal. 

Like many European gold and silver coins, the 6400 reis gold piece circulated in colonial and post-Revolutionary America. It was granted legal tender status by the Second Continental Congress and circulated until 1857 when all foreign coins were demonetized.

In its population report, NGC shows 2 Brazil 1799-R 6400 reis coins in MS62 condition with none finer.
 
Specifications:
Weight: 14.3436 grams
Composition: 0.9170 Gold
Net weight: 0.4229 ounces AGW