This video is part of a series on how to clean coins and restore their original shine.
This is the method described by the central bank for coin preservation, link:
https://www.bcb.gov.br/cedulasemoedas...
Well-designed and safe, I found the waxing method very clever, however I found the cleaning with calcium carbonate laborious and inefficient.
Other cleaning methods:
Cleaning Coins EP.: 01 - Vinegar and Salt
• Limpando Moedas EP.: 01 - Vinagre e Sal
Cleaning Coins EP.: 02 - Metal cleaning product
• Limpando Moedas EP.: 02 - Produto para lim...
Cleaning Coins EP.: 03 Lemon and Salt
• Limpando Moedas EP.: 03 Limão e Sal
Cleaning Coins EP.: 04 Polishing paste
• Limpando Moedas EP.: 04 Pasta para polir
Cleaning Coins EP.: 05 School eraser
• Limpando Moedas EP.: 05 Borracha Escolar
Cleaning Coins EP.: 06 Central Bank method
• Limpando Moedas EP.: 06 Método do Banco Ce...