[INGRESS Decoding challenge] TESSERA Round 1 - Who Killed Lightman?

https://community.ingress.com/en/discussion/5360/tessera-round-1-who-killed-lightman/p1

ヒント1：[赤い矢印] 文字は何処の言葉かがコインの秘密
Tip1: [Red arrow] the language of the letters are the secret of the coin

ヒント2：[青い矢印] 円周の文字がコインの出生
Tip2:[Blue arrow] The letters on the circle indicate the birth of the coin