Brazil, 1/2-cut "balastraca" 200 reis (1864-70) cut from a Spanish (or colonial) bust 2 reales, with countermark "200" on obverse, rare. Russo-668. 1.70 grams. Bold countermark, nine sharp teeth, deeply toned all over but dark inside numbers, host coin blank and scratched (Poor), popular emergency issue from the war against Paraguay in which Brazil was allied with Argentina and Uruguay (the so-called "Triple Alliance").
Estimate: $200-300