JCM 58a?: Uncatalogued

This set isn’t in the current guide, but I’ve seen some people refer to it as “JCM 58a”. The front of the cards match the "JCM 16: Viking Set", and the back match the quiz back from “JCM 58 Flag Front”.
Gene Martin (unc)

Yukitsura Matsumoto (unc)

Masayuki Kakefu (unc)

Hisaaki Fukushima (unc)

Katsuhiro Nakamura (unc)

Yasushi Tao (unc)

Tsuyoshi Oshita (unc)