Silverlings
From BiblePortal Wikipedia
Smith's Bible Dictionary [1]
Silverlings. A word used once only, in the Authorized Version, Isaiah 7:23 as a translation of the Hebrew word, elsewhere rendered "silver" or "money."
Fausset's Bible Dictionary [2]
Isaiah 7:23. (See Pieces OF SILVER.) "A thousand vines at 1,000 silverlings," i.e. shekels (2S. 3D. Each) ; a large price.
Morrish Bible Dictionary [3]
Found only in Isaiah 7:23 , and the Hebrew is the same as 'silver,' and 'pieces of silver,' as money.