New Mix-n-Match badges are available in badge central for 16 gems each. These badges will retire on March 1st, 2020.
Jewel Academy - Jeweled Marker Badge - Finish 30 levels with 3 stars in 2 weeks!
Jet Set Solitaire - Proper Packing Badge - Complete 16 Airport Levels in 3 weeks!
https://www.pogo.com/challenge/find-badge.do?sortName=released&sortDirection=false
TYVM
You're welcome!
(https://i.imgur.com/LvelP7G.png)