Vintage T-Shirt Forum & Community Authentication Appraisals

I ran across a Nike blue tag "Oslo" tank top and can't find any info about it or anything similar. Any idea on value? The dark spot on the front is water fyi.

I can't get the image to upload so here is the imgur address:

http://imgur.com/a/ZSV30

Cool....Norwegian? Do you have an eBay shop? Something like that I would price at $75 with offers. Probably end up with $50. Even the Jordan nike tanks go for about $50.