J & J Coins & Stamps
establishment
- Address
- 7019 Calumet Ave, Hammond
- Phone
- (219) 932-5818
- Rating
- 3.3 on GoogleGoogle's number, not ours, and it covers the shop rather than what they pay for coins.
Know your numbers first
Walk in with a value in mind. Look up the cert number on anything slabbed, and check recent sold comps so you can tell a fair offer from a fast one.