Cool indeed! The SB60 had a 4 year run...that listing on Reverb is mislabeled as a 1972 - it’s actually a 1973-75, as evident by the headstock inlay and bridge cover.
The SB60 was followed by the SB61 (1976), and SB125 (1977) which were both
1 year-only models- therefore in theory even more rare! I was extremely fortunate to snag this SB125 for what was a steal back in 2019. I've never seen another Lefty:
https://reverb.com/item/27827467-carvin ... dium=sharehttp://leftybassist.com/viewtopic.php?f=13&t=10016It’s an absolute joy to play- and it sounds amazing!