Tarnished and cleaned silver cups. Silver tarnish is a dense layer of black silver sulfide. It forms over time when silver is exposed to sulfur compounds in the atmosphere | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5008 px × 3378 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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