Unique Silver Boston Terrier Dog Pin high quality

high quality Very unique Vintage Boston Terrier Dog Pin. It appears to be hand made but sadly unsigned.It is sterling it has been tested..It has a pale blue cabachion gem stone eye Aquamarine? They even gave him a collar. It measures 11/4×1 I have not cleaned or polished this and as you can see the back could use a good polish. Very good condition