SNCB/NMBS I1-B11 coach No. 51 88 21-40 128-9. Compartment side. The I1 coaches were built in 1931. 11 small compartments with 8 seats each, a toilet in the middle, the class reform of 1956 meant simply to apply a thin artificial leather padding to the wooden seats. These coaches went out of service in the 1980s after 50 years of service. Montzen, 2013-07-31.

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