Can anyone identify this shell casing? (More info in comments) : r

Can anyone identify this shell casing? (More info in comments) : r

Can anyone identify this shell casing? (More info in comments) : r

Can anyone identify this shell casing? (More info in comments) : r

Can anyone identify this shell casing? (More info in comments) : r

Can anyone identify this shell casing? (More info in comments) : r

Can anyone identify this shell casing? (More info in comments) : r