WW1 complet find Tsar russian canteen, marked 1918, named...Help needed

[Aries22]

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Hello to all, can someone help me with this canteen ? It is my find, no touched for many years except little cleaning on down alu part...I m not sure if it is original tsar cover..I never see canteen like this, but alu is tsar for sure...very nice is then last owner signatured it and made date on it..thanks for help

[Komandir RKKA]

Verkhneudinsk (Верхнеудинск) was a city in Eastern Siberia, now calls Ulan-Ude.

[Aries22]

Verkhneudinsk (Верхнеудинск) was a city in Eastern Siberia, now calls Ulan-Ude.

Thank you for info