Anybody know anything? They made plastic cases and plated bullets that could be oaded by hand.

The company was USAC out of Washington state. The bullets were "heeled" and the loader was squeezed by hand. When the plastic became stretched too large to hold the bullet, you just boiled the empty cases in water and they returned to the original shape. As far as I know, they were only made in .38 Special.
Regards,
Hockeypuck

That's it. Any value to the ammunition for collectors?

Mickey - virtually no value, maybe US$1 each at retail and they sell like day old bread.