Ship date was Aug 1960 according to Ruger. My late father got it new that same year. So he told me,,,,He would have known I guess. Always a cased Super.
Well my list is WAY SHORTER than John's.......so I will include my 2 & 3 digit guns too....
59 LF
729
817
925 LF
1259
2236
3237
4121
5730 White box
5439 Mahogany
5440 Mahogany
1505 use to live with these guys but moved to warmer weather.....I sure wish I could....see ya RR.