Is not that rare to meet a R130 for sale and their prices are quite low, comparing to 110s, probably close to a descent R100.There is one currently for sale at yahoo.auctions.jp (search under RX87). Some months before there was one for sale by j-spec.improts.au (or something).
In Europe most R100s were sold in Switzerland, followed by Belgium and France. For sure multirotor will know if there is anything availiable. US and to a lesser extend Canada are the best places for a car to import besides AU, NZ and Japan (sorry, I forgot the RHD case).
In Greece about 20 were imported, plus one sedan (Familia Rotary SS). Although I saw this car in flesh, something like 33-35 years ago, I cant remember if it was a LHD or a RHD car. I dont know any exports for the sedan model.