24 Jul Vintage Nassau Smelting Refining Co. Solder Rosin Core 3.6 Oz, 10 Ft Bell System
I really know nothing about this wire other than it can get expensive. Look over the photos for your descriptions. Total weight 3.6 oz with the core. About 10 ft of wire. Purr WW Rosin. SPEC at 7076 B-Rosin...