Abucco

In Pegu, Burma, the abucco is a unit of mass once used to measure the mass of gold and silver. It is approximately equivalent to 196.44 grams or 6.316 troy ounces.
Other units of mass used in Burma were:

1 biza = 4 agiros = 8 abucci = 100 teccalis
1 agiro = 2 abucci = 25 teccalis
1 abacco = teccalis