This is an unmarked mold no maker ID and no diameter or weight. Looks to be .300-.358 or something close maybe. I don't have a small pot or handles to cast something and try it.
What is it and what is it worth?Attachment 204475
Attachment 204476
Attachment 204477
Attachment 204478
It would appear to be something custom.
Also I have some LBT and NEI molds.