Beautiful tile paperweight and believed to be set in brass.  Not marked.  The tile itself is in excellent condition (photos show reflections, not damage).  There is one indentation in the brass (see photo #6) which I consider to be slight and doesn't detract from the beauty of the tile.  This was owned by a collector of very fine paperweights and glass.  Estimated to be over 100 years old.  It is heavy - the color of the tile is a deep teal/blue seafoam.  It is approximately 3 7/8" in diameter.  Please look at the photos as they are part of the description.