If it’s a Wisconsin state quarter issued in 2004, it could be worth at least $30 — and maybe much more. The vast majority of 2004 Wisconsin quarters are worth their face value of 25 cents.

STATEN ISLAND, N.Y. — Defects sometimes increase the value ... quarter: The gold-tone Sacagawea dollar, with a copper core encased in manganese brass, was introduced with great fanfare in 2000 ...