Some recent design social games auctions on eBay:

TEEN MAGAZINE The Board Game RARE!! Complete!! Design A Mag Cover Social Girls

$32.99
End Date: Wednesday Jan-31-2018 0:15:37 PST
Buy It Now for only: $32.99
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Mobile & Social Game Design
$61.21
End Date: Thursday Feb-8-2018 18:43:53 PST
Buy It Now for only: $61.21
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Mobile & Social Game Design: Monetization Methods and Mechanics by Tim Fields (E
$72.03
End Date: Saturday Feb-10-2018 16:18:03 PST
Buy It Now for only: $72.03
Buy It Now | Add to watch list