1933 Reg letter to Germany franked by stmp (George V) 5c + 10c + 15c + 2x 20c + 30c + 50c, CDS Gift esSalaam/ Registered/ 21 FE 1933, six-colour franking (!), addressed to policejnímu headquarters in Zwickau, arrival postmark from 16.3.33 on reverse, well preserved