Vintage working Musical Stein & Vintage German Ceramic Beer Stein with Lid

Vintage Musical Stein and Vintage German Ceramic Beer Stein with Lid set of 2 Found in Glasgow. The wind up working music mug is very rare and hard to come by. A very rare find. Sold as a set of 2 one is a working wind up music mug with peg in the bottom that stops playing music when you pick it up and automatically starts playing again when set down. On the music mug there is a tiny crack which is noted in the picture with the red circle and arrow, it is not noticeable unless you know it is there. Dimensions of the music mug are bottom to silver tip at top is 8-1/4”and the mouth opening is 2-3/4” The other mug is in perfect mint condition, and the dimensions of it are from bottom to top of silver tip is 8.5” and the mouth opening is 2.5” From a smoke free environment, will be packaged with significant protective measures to insure they arrive perfectly. Recently valued by an expert for $500