Pogo has re-released (15) previously-retired Mix-n-Match badges in Canasta today. These badges cost 16 gems each and are available until May 31st.
These badges were originally released in January 2007 - November 2011.
http://www.pogo.com/challenge/find-badge.do?searchtype=mnm&sortName=retires&sortDirection=true
(https://i64.tinypic.com/21318qq.gif)
Got two for a friend! xoxox