What is this burn on coin

[jtw1313]

......

 

[villagenut]

Somebody probably soldered a pin and catch on it at one time for pinning onto their outfit. Pin is gone but solder remains.

 

[cheese]

Agreed ^^

 

[Mackaydon]

Interesting coin, also.
50 'Stotinka' from Bulgaria 1913
Don.......

 

[jewelerguy]

I agree with villagenut

 

[NOLA_Ken]

I found a set of WW1 era German coins that someone had made cufflinks out of, seems it was popular back then

 

[sutphin]

BOY THERE FOR A MOMENT I THOUGHT YOU FOUND MY GREAT GRANDFATHER FOR OUR NOSES LOOK LIKE THAT , NEAT FIND ....