Rotterdam - a port city

Front:
22 STAD O ROTTERDAM HAVENSTAD

Back:
.EL Dar Frk PAR AVION Leaving ho SSAY PER LUCHTP lis iaprit plane. a ume ouee Are UNITED STVATES Ph TEOSTA m POS Ce CENT SrEPostage Duel C 21 New York AMF Rotterdam. Gebr. Spanjersberg N.V P 37 AA AC.S NEDERIAND CENTS UNITED STTAT GE NEDERIAND