Cast Brass "40 Years" Wall Mount Plaque painting on wood I am uncertain as to

I am uncertain as to whether it is bronze cast or iron cast with bronze finish (it is quite heavy for its size)

and don't know much about it

Made of stoneware and in great

and a dark horizontal stain near the top

thinner and crackled in others

Cast Brass "40 Years" Wall Mount Plaque painting on wood I am uncertain as toI'd guess this plaque was awarded to the lifetime employee of some business or corporation to mark four decades of service, and then perhaps displayed on the wall behind his or her desk along with or replacing other plaques marking 5, 10, 20 and 30 years of the same! At this point though it could certainly be mark 40 years of marriage or life itself, a perfect gift! Cast brass I believe and in good shape, with a little staining to the face of the big