/ tearing of metal (see 5th image of one of the bottom-corners), aging, general wear see images. It appears from the paint that is left on the grinder, that it was once blue see 2nd image.
Grinder is rather ornate in its design in that it has an. Appears to be made up of all metal with the exception of wooden handles and the removeable grinder-compartment tray. Dimensions: 7.25" H x 5.25" L x 5.25 W.