5 Z Z 5 Pfg help in need 1929, external bars of dashes yellow / black, t_te-b_che in the vertical pair with further 4 time 5 Pfg as part sheet from lower margin with HAN V 4517.29 and additional franking 15 Pf. Famous German on express messenger airmail letter from FRANKFURT airport 14.4.30 to Berlin, Michel 1,050.-