Genuine Gretsch Blacktop Filter’Tron G5400 humbucking pickup calibrated for the bridge position. The assembly includes chrome blacktop pickup, silver mounting ring, screws, and springs as shown. Also includes screws to mount the assembly to the guitar body. The output leads have the quick connectors fitted but these can be removed if you want to solder them in. We measured one example as having a resistance of 4.3k Ohms.
We also sell the matching neck pickup here:
https://saintguitars.com/products/gretsch-g5400-blacktop-filter-tron-humbucker-filtertron-neck-pickup-chrome