How do you clean old buttons?

[Linney13]

Hello everyone,
Newer to all the ins and outs of metal detecting. I found two civil war era buttons and cleaned them with water and a little soap. Is there anything else I should put on them after to preserve? Or just leave them as is? Also, what are some techniques to clean them well but safely?

 

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[CASPER-2]

Cleaning & Preservation

 

[Resurrector]

Jeez...I've destroyed many by cleaning them to destruction...they can be very thin stamped brass so cleaning coin style is a no-no
Remember...most military ones are hollow an extremely fragile..
Approach with caution..
Brush lightly..olive oil soak till metal re-hydrates..softly. Polish with clean cloth...less is more

 

[GopherDaGold]