LONDON brass plated tin/iron shotgun shell top?

[creskol]

I don't recall ever seeing one like this before. No sides are left .. Thought it was a button when I dug it.
Not worth anything, but it has my curiosity!

 

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[Kenosha Kid]

Probably an "Eley Bros. No. 12 London" shotshell :

http://webcache.googleusercontent.c...ll+marked+12+london?&cd=3&hl=en&ct=clnk&gl=us (scroll down to #4 pics)

http://webcache.googleusercontent.c...+eley+bros+shotshell&cd=4&hl=en&ct=clnk&gl=us

Major ammunition developments that have come from ELEY include...and thin-brass totally waterproof shotshell cartridges, in 1882.

 

[creskol]

Probably an "Eley Bros. No. 12 London" shotshell :

http://webcache.googleusercontent.c...ll+marked+12+london?&cd=3&hl=en&ct=clnk&gl=us (scroll down to #4 pics)

Looks good to me! Thanks!