Never knew Yamaha made accordions! I came across this on eBay but thought someone had stuck a Yamaha sticker on some old Chinese accordion. However I searched for the model number and turned up a few pictures of the same accordion on other websites.
Japanese market only maybe?
Japanese market only maybe?
YAMAHA 18 Bass White Accordion | eBay
The white colour gives it a classic and elegant look.
www.ebay.co.uk