Hey neighbor, take the other side off for match up purposes and go over to or call up Antique Auto Supply 817 275-2381 in Arlighton at 1225 Colorado Lane - in a warehouse. I got a banjo block for my 59 1 ton from him. He's got a bunch of stuff in a box and can usually match up if you bring the old bit with you (or similar).
or email me, I looked in garage and I might have a banjo bolt that will work, if that's all you need. (not sure from the post if you just need the bolt or the whole block) U in Erath county? Bit of drive to Garland.