1980's Arion SMM-1 Metal Master Japanese Rare with original box

Rare Japanese 80's SMM-1 Metal Master in original box. This was used up until 1987 and safely stored away to be found later! 

If you know about these this is a really rare find in great condition https://reverb.com/news/arion-the-company-time-forgot-the-7-best

Thanks for reading!