3 EARLY 20TH C STERLING ENAMELED YALE COLLEGIATE PINS: Circa 1920's to include 1) Pierced sterling Yale brooch or buckle with blue enameled Yale flag. Marked Sterling. 2 1/2'' x 2 1/4'', note minor enamel loss. 2) Yale pin with wreath decoration and blue enamel flag. Marked Mons & Co. New Haven CT Sterling. Measures 5/8''. Large brass with blue enamel Yale flag. Unmarked. Measures 2 1/8'' high x 2 1/2'' wide.