Custom Sterling Silver Cat Pin and Mouse Pin by Donna Pizarro from her Animal Whimsey Collection of Fine Cat Jewelry and Mouse Jewelry Featuring Sterling Silver Mouse Pin with a Alley Tabby Cat. A lot of love goes into every Animal Whimsey Design. "What's Happening " is one of over 150 in our Animal Whimsey line of copyrighted pet jewelry. Both pieces to this pin are custom made, hand drawn and cast using the lost wax casting process and are hand finished in our studio located in Dallas, TX. This pin weighs approx. 12.2 grams. We ship to US and International and we specialize in unique, custom jewelry with award winning clients from events including The National Dog Show, The AKC Eukanuba Dog Show and more.