JCM 66b: 1957 Maruya B&W Chain Menko Type 1

I have found a Nagashima rookie card from this set, which would indicate that it actually came out in 1958 (when he started playing). I'm including here my uncatalogued cards in hopes of eventually getting more information about this set in the guide.
Nagashima

Dobashi

Horiuchi

Uchi

Wada

Katsuragi

Namiki

Komatsu

Balbon

Honyashiki

Tada

Kawamura

Sekiguchi

Toyoda

Kageyama - added 6/9/24

Morinaga - added 10/1/24

Kajiki - added 10/1/24

Mori - added 10/1/24

Kono - added 10/1/24

Sato - added 10/1/24

Koyama - added 10/1/24

Ladra - added 10/1/24

Ishikawa - added 10/1/24

Sasaki - added 10/1/24

Minagawa - added 10/1/24