This is an ART NOUVEAU UNGER BROTHERS STERLING BON BON or NUT SPOON.
This SPOON measures 4 1/8" in length; the Bowl is 1 7/8" North and South X 1 3/4" Wide. Monogram R at the top with FLOWERS and SWIRLS competing the design. UB logo and C 1904 Clearly marked on the back. The Condition is EXCELLENT