This is a VINTAGE "SANTA CLAUSE" JEWELRY PIN.  I believe that it is made of RESIN, but I am not sure.  The pin is NICELY DONE, and measures  2" tall by about 1 3/4" wide.     For its size, it has some heft to it, and is more of a 3 dimensional piece than flat.   Very good condition.   Shipping is $3.50 if within the USA.   Check out my other items.   I have lots of vintage jewelry listed, and am always adding more.    Please add me to your favorites list.