Some recent design social games auctions on eBay:

VINTAGE 1971 BOARD GAME OF PSYCHOLOGY SOCIAL CHANGE SOCIETY TODAY DYNAMIC DESIGN

$5.50 (0 Bids)
End Date: Sunday Mar-26-2017 16:29:11 PDT
Buy It Now for only: $19.99
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Mobile & Social Game Design: Monetization Methods and Mechanics by Tim Fields Pa
$68.80
End Date: Sunday Apr-16-2017 17:18:03 PDT
Buy It Now for only: $68.80
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Social Game Design: Monetization Methods and Mecha
$6.95
End Date: Sunday Apr-9-2017 5:34:48 PDT
Buy It Now for only: $6.95
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