G. H. Luttrell Brass Fishing Sinker Mold

I bought a bucket full of vintage fishing sinker(weight) molds a few years back and I finally got around to looking at them today. This was one of the most interesting ones in the bucket. I think it is made of brass. It may made be hand made but I am not sure. G. H. Luttrell is stamped on the mold but it looks like it was stamped one letter at a time. It's about 4" long. The actual fishing weight that this mold will produce doesn't resemble any weight I have seen. Any input will be appreciated.