escalin

Soup bone was un escalin (two picayunes), but one paid for the soup vegetables, a bit of cabbage, a leek, a sprig of parsley, a tiny carrot, a still tinier turnip, all tied in a slender package.

Social life in old New Orleans : being recollections of my girlhood, 1912

They would go to the utmost borders of honesty for a couronne de Brabant, or a demi-couronne, or a double escalin, or a single escalin, or a plaquet, or a livre, or a sous, or a liard, or for any the vilest denomination of their absurd coin, yet I do not believe they would go beyond the bounds of honesty with any but an English Milor: they are privileged dupes.

The Life and Letters of Maria Edgeworth, Volume 1 Maria Edgeworth 1808