I saw this site on Fippa. It sold for $11,820 and the site was established in JUne 2013.
https://flippa.com/auctions/2943336/due-diligence

In the Flippa new listings, there is a similar one:
https://flippa.com/2947780-online-gr...e-no-photoshop

What would be a good price considering one already sold recently for more than 10K?