From left to right
Зiш - завод iменi Шевченка - Вольнянский машиностроительный завод им. Шевченко
Zish - Shevchenko plant - town Volnyansky (Shevchenko machine-building plant).Founded in late 19th century, nationalized in 1920.
Resumed flatware production after WW II under supervision of German staff by August Wellner silversmiths and platers (have no idea how they got there, more likely as POW,rather than business arrangement).Anyway, good to know flatware by Wellner was supplied to Titanic.
MHЦ (MNC) stands for metal alloy МЕДЬ-НИКЕЛЬ-ЦИНК (MED'-NIKEL'-TSINK) COPPER-NICKEL-ZINC
Ц 1Р 50 к Ц for Цена (price) 1 rubel and 50 kopeks.