Trench Art brass boot hook, made with bullet casing and bullets c. WW1

Nice boot hook with a bullet attached to the bottom of a rifle bullet casing, another bullet at top of casing, and then an attached hook for pulling on the boot.

Hook appears to be made of iron.

On the side of casing is a UK royal crest or two lions holding a shield, with crown above.

Undated, likely WW1 period.

5 ¼” / 13 cm. long