This may be a little late, but here is an auction I have up for sale that is currently at a very affordable price.
Auction: http://www.tradera.com/item/300701/2...ga-drive-japan
Here is some images of the item: http://imgur.com/a/5vdPG#0
If you want to bid and do not have any account you can register one: http://gamla.tradera.com/UserRegistr...SwedishPrivate
Please read the auction description and have a look at the images, so you know what the item is.
I also have some more Japanees Mega Drive up for sale, but this is the one that i recommend the most.
International shipping traceable and insured for 1 Mega Drive game is 190 SEK. Will of course combine shipping for multiple winnings.