There are some T215s listed at the moment:
https://www.ebay.com/sch/danierobrech-0/m.html
And I am fairly certain that the seller is this guy:
https://www.net54baseball.com/showth...hlight=desmond
https://www.net54baseball.com/showth...hlight=desmond
The descriptions talk about non-soluble glue, likely to prevent the buyer from trying to have the paper removed and finding out that these are rebacked.