Silver, gold, enamel.
Size 34 х 24 mm.
Weight 20.8 g.
Obverse
Emblem /of unidentified institution/.
優 - Excellent
reverse
三ヶ年成績優秀賞 - Three-year Outstanding [Academic] Performance Award
贈 君 - Gift to [place for engraving the name]
Marked with "K14" and Ando workshop mark...