ruger #1question

i just picked up a stainless ruger #1 in 357 mag made in 1982.looking for info on this model I found out that ruger made approx. 2000 in 357 but they were blue only and 1500 were marked chp for the calif hwy patrol and 500 weren't marked .I showed it to a friend that collects #1s and he has never seen one .he looked through his ruger books and there was no mention of any stainless ones in 357 mag . anyone ever seen one or knows about one . thanks