Postcards with Gulbene - Alūksne narrow-gauge railway

There are three postcards with Gulbene - Alūksne narrow-gauge railway, I bought long time ago.

 Diesel-electric locomotive TU2-244

 1. Diesel-hydraulic locomotive TU2-3018;
 2. Snowplough;
 3. Diesel-electric locomotive TU2-244;
 4. Interior of Pafawag passenger coach.

Vecgulbene narrow-gauge railway station at the beginning of 20th century.