I've got one,....
Dick Trenk, during the period when he was running "The Pedersoli Challenge" at the Raton BPCR events, and working with the Italians on getting their product up to competitive standards, marketed them. Brass tube with a lens, and the 29.95 number that Butch calls out sounds about right.
As noted, just fine for throats and chambers.

GTC

Last edited by crossfireoops; 10/09/15.
Member, Clan of the Border Rats
-- “Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.”- Mark Twain