hi from Gibraltar

[exray]

I was searching the ground in Gibraltar and found 2 I presume military buttons, both are poor state.
1. looks like zinc alloy and reminds me some militia or volunteers design, not aware of such a group stationed in Gibraltar but I am not very competent to judge.
2. i am showing only back side as the top is smooth not decorated. just in case you would kindly look.
scale is mm
very grateful
Joe