got a couple of these

[Caretaker maine]

dug them at differant times, I think I need 4 to make a set[]

 

[dollarbill]

hey caretaker looks like ladys rouge maybe or makeup??? thanks bill

 

[Bluebelle]

They look like things people used to use under some chair or table legs or heavy casters on furniture to protect the floor and/or carpet. I grew up with some similar ones, tho the inside was plainer than on yours. But I bet you already knew that, because you said you needed 4 to have a set .