Description

Niobium is a rare metal with the atomic number 41, used in metallurgy, electronics, and the aerospace and nuclear industries. Its name is derived from Niobe—a figure from ancient Greek mythology and the daughter of Tantalum.

The coins are made of
925 sterling silver,
weighing 32.8 grams (silver weight – 31.1 grams, niobium element weighing 1.7 grams),
38.61 mm in diameter,
proof quality,
face value of 1000 tenge,
mintage of 1000 pieces.

The coin comes in capsule with certificate of authencity (COA) and in original box.