Don Birschel (USA), Kenneth Sequeira (Dubai) and Adam Paish (UK) provided at the same time the latest information of the year 2021 from Pakistan which devoted on December 31, 2021 a stamp related to the 70th anniversary of the relationship with Thailand. Two stamps have been issued in panes of 20 se-tenant pairs and represent Buddha heritage. Actually, these stamps are joint of identical stamps issued by Thailand on November 15, 2021 and that remained unnoticed so far. Thailand issued miniature sheets of five pairs of se-tenant stamps. as such, this joint issue is reported in the catalogue (Vol XIV) as a concerted issue [C20211115].