My copy was €6.90 but the price depends on the version. Japanese releases are normally on the spendy side and some sellers tend to go a bit crazy with their prices.
Sorry to hear you're thinking of selling it, I guess that kind of explains your absence from these parts? I don't know of any apps like that but Discogs.com may be a good place to start- all you need is a verified PayPal account and some time. The way it saves you all the typing is you just go to Manson's page with a list of his releases, you expand all the versions and once you find the one you have it gives you the option to sell it. Like so:I'm considering selling my entire collection (except for that one), anyone have any tips on how to make a list of them? I really don't look forward to manually typing out all the titles, country of origin and barcodes for 200+ CD's, are there any barcode scanning apps or something I could use?
I haven't sold anything on there but it seems pretty straight forward. If you use the "Add to Collection" option for each release you have the website will then give you an estimate of its value based on how much other people are selling the same item for. Hope this helps. :)