I think it actually is a record case as it looks like the lid appears slanted rather than straight. It also looks to be brown, rather than black..... But it could be??? Also they have a refurbished 66 which looks sad.
I used the address in quotes "2548 N. Front St." craigslist Philadelphia
https://philadelphia.craigslist.org/gms/d/indoor-antique-flea-market-5/6738324877.html
Janey - Neat people never make the exciting discoveries I do.