Postby dognose » Wed Aug 06, 2014 12:57 pm
Hi,
That's the mark of the Shevchenko factory in the Ukraine. (ЗiШ - Завод iмени Шевченко)
М Н Ц - Медь (copper) Никель (nickel) Цинк (zinc) refers to the alloy.
The Ц 2-50 indicates the Soviet set price of 2 Ruble - 50 Kopecks for the item.
Trev.