RARE SONIA RYKIEL 1/2 MOI sweater!?? upcycle, re-purpose, handcraft, black/cream

File under crazy things I find while sourcing! I found this in a basket of scarves and it looked really cool, so I grabbed it sort of like a shoulder shrug thing, but it appears through Google images that it’s half of a very coveted and rare Sonia, Rykiel sweater! There’s no tags because they were probably on the side that has been removed! Soft and cuddly fabric that would still look really cool draped over your shoulders. Somebody who’s crafty can upcycle this with a half of a denim side or something like that. It’s fabulous! Big and boxy looks like it was a large there is no brand tag, nor Content tag, but Google images supports this description.