Sabara foundry ingot, obv., numbered N 990, dated 1818, countermarked at left with Brazilian Imperial coat of arms, crowned, portions of legend, V. DO SAB. around, marked elsewhere for fineness [21], weight [6-06], assayer's initials, two small sunbursts, and TOQUE in cartouche, weight, 21.9 grams, length, 67 mm., width, 9 mm. (Gomes, 40.01) extremely fine, extremely rare