| 摘要 |
FIELD: personal demand items. ^ SUBSTANCE: invention is related to coins and may be used in cash money circulation of a country, in manufacturing of medals, jewellery items and tokens. Sensitive element arranged in coin cavity and made of amber or tourmaline, has direct contact to coupled elements, which are made of metals with various electrochemical potentials, for instance from silver, gold or copper. ^ EFFECT: increased emission profit by giving coin new consumer properties, labour intensity of coin manufacturing is maintained at the same level as traditional commemorative coins, its counterfeit protection and infection with microbes and bacteria. ^ 2 cl, 2 dwg |
