10 Pfg. carmine with stamp FRANKFURT (MAIN) 20.6.89 as correctly franked single franking on international printed matter envelope the 1. Weight step to melbourne, Australia and returned with box cancel of 2 lines "UNCLAIMED. . . Melbourne" and on the back violet single circle. "DEAD letter OFFICE melbourne 2 DE. 11.89" to Frankfurt with arrival postmark from 21.2.90, stamp above defective, otherwise in good total maintenance - very rare before Universal Postal Union postage!