Badge, Bullet Casing, and Not Sure

[fakeer]

Found some type of badge with SIA written on it. I think "club" is written on the bottom right.




Also found this bullet casing with L2A2 written on it.





Finally, found this fishing weight looking thing, but not sure what it is.

 

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[pepperj]

I'd vote that's a fishing weight. Not sure on the age of the casing, and the badge SIA might translate into something.
Maybe this.

VINTAGE ! SINGAPORE AIRLINES SIA JUNIOR JET CLUB GOLD TONE WINGS PIN BADGE

 

[bologna321]

L2a2 could be 1950's - 1980's surplus .308 ammo. It was made by several countries with that marking.

 

[against the wind]

Very cool finds,,
Congrats

 

[fakeer]

Aaah singapore intl airlines- that's exactly what it is! I was thinking "security industry authority." Thanks for the ID.

 

[Professor of Engineering]

Nice finds!

 

[digger dug]

looks like an old plumb bob to me