Aslam o Alaikom

Dear ITD Members Allah k Fazal wa Karam se main bilkul theek thaak hoon aur umeed karta hoon k aap bi theek thaak hoon gey. mein ne aik baat poochni thee wo yeh ke mein ne aksar thread deikhay hain jin ki background mein thread post karnay waly ki stam hooti hai yani jis se pata chalta hai k ye thread kis ne banaya hai.....

please mujhay koi bata de k ye stamp kesy banatay hain?

Aap sab ka bohat bohat shukria