Most expensive miner’s helmet

Tetiana Kalyuzhna from Donetsk is the author of the most expensive miner’s helmet. Its estimated value is $ 43,000. It is made of two varieties of anthracite and decorated with brass, silver and black Indian diamonds. The upper part of the helmet contains a prayer to protect a coal miner from dangers. The weight of helmet is 3 kg 330 gr. It took Tetiana 2.5 years to complete this piece of art.