A copper coin of almost no value. The word is probably derived from the Fr. sou. A marked or defaced sou would be commercially worthless.

1

1826.  Who the d——l would give a sumarkee to read the newspapers after breakfast?—Mass. Spy, July 5: from the Louisiana Advertiser.

2

1839.  [He said] I was not worth the tenth part of a sous-marquee, or ten scales of a red herring.—R. M. Bird, ‘Robin Day’ i. 29 (Phila.).

3

1855.  It’s all clear gain, for the deacon ’ll save every soomarkee on’t for the children.—C. W. Philleo, ‘Twice Married,’ Putnam’s Mag., v. 410/1 (April).

4