Front: (value) 一. (1 Warn) inside dotted circle
legend: none, wreath of 2 branches with circle (bullseye) at the top
Back: Two dragons in Ying-Yang-like inside dotted circle
legend: (Hanja script) ..十..四...... (right, value in Hanja between spacers) o .. o (bottom, value between composition details in English) 416•1 WARN•900
Mint house: Gyeongseong (Seoul)
Edge: G - grained, type: |||