Need button ID and age help

[diabolicalbeans]

I found two old looking buttons in the same park, I was hoping somebody could help me get an approximate age or any info really.

 

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[fyrffytr1]

I wish I could help but my old wore out eyes can't make out much of your button's details. Are the buttons 1 or 2 piece construction? I think the first one is a civilian flower button and I am not sure about the second one. Is that an A or a V on it?

 

[smokeythecat]

The two piece button with shank was invented about 1835. Most we find are mid 19th century.

 

[Dug]

Tough to ID until you get the grunge off of them.

 

[diabolicalbeans]

What’s the best way to do that without damaging them? I have the ability to do electrolysis, but I’m not sure if that will ruin them.