What is this, and what (if anything) is it worth?

Blackhawk

It measures about 2.7 X 3.2 cm.

satootoko

Possibly Indian Princely State dump coinage, but don't ask me which or when

CIVITAS

It's a Byzantine AE Follis.

Class B Anonymous issue attributed to Romanus III 1028-1034 A.D. It's a decent example. Probably $15.00-$20.00 retail value.

Junk box find?

laurentyvan

Josh, could you be a little more specific?

Man, these guys who just jump back with the goods-gotta admire them!