I'm sure someone else will chime in here with more info than that. On the other hand, something's worth what someone will pay for it so.
The slightly later Matsomuko Casino's and Riviera's go for around the £750.00 - £850.00 mark in the UK($1200.00 - $1400.00 approx). I would say that's probably close to the top end for price (for the UK anyway). If that holds true yours may be a '74, '84 or even a '94Īs for value, that other one sold from eBay for $1500.00 (UK £960.00). However, the Japanese export models made between 19 had 7 numbers, the first number as the year and the second two as the month. Who knows, they may still be making them today. It's likely that the one you have is a Japanese domestic market model same as the one in the link so the year will be tricky to find out. There were some slight differences to yours but it was broadly similar. There was a similar Casino to this in a thread I started here.