SOLD/EXPIRED Remington 257 round noa 100 grain

[21buck]

I've got 2 original Remington boxes of 100 or a few missing ea.of 257 round nose bullets. They haven't been in the books for 40 years. I would like to know what they were used for. I suspect a 25/20 or 257 Roberts???? Sure they are for sale if interested pm lets talk.