STERNALITZ 27.2.1921 ZKr (OS handbook number 333.1) on registered letter with 5 Pfg opal green vertical strip of three, 15 Pfg gray violet, 2 Mark red-brown ironworks and dove 1920 to Vienna / Austria, the letter durchlief the foreign currencies check near the post office Dresden 4, there with a yellow-brown closing slip of paper provided (unlistet in the OS handbook), transit postmark from Dresden (23.2.1921) at back, good condition