Coin: Sing Sing Prison, one
Overall: 3/4 in. ( 1.9 cm )
Coin; metal; obverse "SING SING / One / PRISON" reverse "DO GOOD / MWL / MAKE GOOD"
Sing-Sing Prison issued its own currency to be used by inmates, including coins and bills.
Due to ongoing research, information about this object is subject to change.