Found an interesting round that I have never seen and is not in any of my reference books. I would post a photo but am not good with this other than an email attachment.
The round appears to be military as the tip is yellow with a red stripe behind the yellow and the primer is crimped in place. The case is belted and is straight tapered.
Bullet dia: .416
case Mouth dia: .436
Rim dia: .471
Belt dia: .488
Case lenght: 1.705
Overall length: 2.500
Base diameter immediately in front of the belt: .436