Tiffany & Co. 1837 Collection 1997 925 Sterling Silver Concave Band Tiffany & Co. · 1837 · Silver · Sterling Silver · Women Used...Not polished or cleaned so as to leave the patina... Hallmarked inside ( copyright hallmark) 1997 TIFFANY & CO. 925 Hallmarked outside 925 T&CO 1837 ***in order to size it Tiffany & Co had to put the small balls inside as it was too large for my pinky finger and too small for ring finger—they could not cut it or size it)