New to being manufactured and sold in the U.S. anyways.

Helarco US

Helarco Wads at Ballistic Products Inc.

HelarcoUS, a dominant force in European shotshells, now produces their full line of high quality wads in America. BPI offers the full line of 16 lead & steel wad models at stock-up prices for American shooters. BP's labs are producing loads in 10, 12, 16 & 20ga

Are these the same product as "PLASWADS", I used them in the Eighties when I reloaded for shotgun?

Don't know, the Helarco wads are the US version of Vagner Plast from Denmark.