Ultra-rare RIVER Co. sewing machine legs with chair

Extremely rare sewing machine legs with a chair from RIVER company.
It's hard to find them with a chair, so I think this is a rare find.

Please note that the tabletop is not included.
Please judge from the photos.

We are looking for bids from those who understand that this is a used item.
Please be aware that this product is not suitable for nervous individuals.