What do I have here?

I know they're British, they're both 1920, they're ha'pennies, but one is an off metal. One weighs 5.6g and the other 5.7g.
One of my coworkers brought them in for me to look at.
Thanks for the help.
Cheers
Bob
USAF (Ret) 1974 - 1994 - The inherent vice of capitalism is the unequal sharing of blessings; the inherent virtue of socialism is the equal sharing of miseries. Remembering RickO, a brother in arms.
0
Comments
The second one is plated and post mint.
Thought so. Thanks!
USAF (Ret) 1974 - 1994 - The inherent vice of capitalism is the unequal sharing of blessings; the inherent virtue of socialism is the equal sharing of miseries. Remembering RickO, a brother in arms.