G&L Custom Shop lefty Matador in Purple Fade over mahogany..

From posts on G&L's and G&L Custom Shop's facebook pages:

Here’s a G&L Custom Shop lefty Matador in Purple Fade over mahogany,
quartersawn 3A flame roasted maple neck with ebony fingerboard, Clear Satin finish.
CS2303001 is headed to G&L Premier Dealer UpFront Guitars in Bellingham, Massachusetts

The dealer, UpFront Guitars, posted on the G&L Custom Shop facebook page about this Lefty bass:

UpFront Guitars
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This was a very "custom" Custom Shop including special left handed control panel and reverse stagger pickup arrangement.
While not sure, I think it's the first LH Matador, and no easy task.