Express Engine, Belgian State Rys., Continental Trains

Front:
H₁ 2154 ATELIERS TURIZE AAYARL 141 Express Engine, Belgian State Rlys, taking Continental trains through Belgium.

Back:
The Knight Series. No. 626. TH IN THE E MAY BE USED ¡MUNICATION. TISH ISLES ONLY. (Post Office Regulation.) RW 4- ST F