If you fancy a nice snugg fit case for your rs-97 look no further Dr_Bunsen over at Dingoonity has found a great fit case pic and link below.
http://r.ebay.com/K99TUW Sold out
https://www.amazon.com/dp/B0041OYL2E/ref=olp_product_details?_encoding=UTF8&me=
Thanks for the update.
The item is sold out on Ebay. However it is currently available for the same price on Amazon ($2.99 - free s/h) at the following link:
https://www.amazon.com/dp/B0041OYL2E/ref=olp_product_details?_encoding=UTF8&me=