set of pressed metal round wall plaque balck/gold one of a woman wearing a pointed hat with what looks like 2 feathers, sitting playing harp with a vase & cup near her feet. Has a surrounding border w/alternate connecting flower/leaf Other is a bearded king seated holding a staff with a male servant on knees holding a bowl of food. there is wheat stems of either side of figures. has surrounding border with alternate connecting flower/berry. can anyone tell me where these were made how old & possibly how much there worth? Would be great if pictured. no numbers or letter on back. looks like was tested on back of one (small area of silver tone)