JCM 190: 1949 Seals Caricature Back

Roy Jarvis - added 6/27/24

JCM 43c: 1958 Marusan Simple Back Black & White Front

Nagashima - End of Swing #2 (UNC)

Nagashima - Bat on shoulder (UNC)

Yokoyama - added 6/27/24

Minoru Kamada - added 6/27/24

JCM 28a: 1957 Marukami Blue Ink, Color, 12 Pointed Star

Yasushi Kodama

Tsutomu Ina - added 6/27/24

JBR Omoshiro Magazine inserts

These bromides were included in the Omoshiro Magazines

Shoichi Kaneda (Sept 1956) - added 6/25/24

Sadaharu Oh (May 1969) - added 6/25/24

JBR Shonen Gaho magazine inserts

These cards were put as center inserts in the Shonen Gaho magazines, such as this one

Yamauchi (Oct 1956 issue) - added 6/24/24

Nakanishi (January 1957 issue) - added 6/24/24

Hiroshi Oshita (April 1957 issue) - added 6/23/24

Inao and Kaneda (June 1957 issue) - added 6/23/24

Shigeo Nagashima (April 1958 issue) - added 6/23/24

Akiyama Noboru and Suzuki Takashi (June 1958 issue) - added 6/23/24

Sugiura (Jan 1960 issue) - added 6/24/24

JMC 1: 1975 NST/Mr. Baseball Completion Premium

In the back of the stamp albums in which kids were to paste in the 288 cards, there was a notice that if they were to complete the set, "We'll give away a wonderful large stamp of Mr. Baseball Nagashima." On the back of this premium card, it states "World Stamp Book Mr. Baseball Completion Commemorative Present."

Nagashima finishing batting - added 6/23/24

Nagashima fielding/falling - added 6/24/24

JCM 43d: 1959 Marusan Simple Back B&W Front

I - added 5/15/24

Himoto - added 5/15/24

Okitsu - added 5/15/24

Furuha - added 6/22/24

JCM 31b: 1958 Color Cartoon Back

Hasegawa - added 6/22/24

JCM 136: 1959 Maruten Blue Pitching Back

Shimabara

Mihara (guide only lists 1) - added 6/22/24

JCM 57b: 1962 Maruya Green Pitching Grip Back

Okitsu - added 5/15/24

Eto (diff #, green background) - added 5/15/24

Osaki - added 5/14/24

Yoshida - added 5/14/24

Yonamine - added 5/14/24

Takakura - added 5/14/24

Takabayashi (diff #) - added 5/14/24

Nakanishi (# not in catalogue) - added 5/14/24

Masa. Tsuchiya (no # in guide) - added 5/14/24

Okitsu - added 6/22/24

JF 23: 1958 Fujiya Caramel

Aota (portrait) - added 6/19/24

JCM 37a: 1957 Marusho Color Military Backs

I've included below an uncatalogued on that I found for sale on ebay.
Tatsuyoshi Yasuhara

Motoji Takauwa(UNC)

Nakano - added 6/9/24

JCM 177: 1949 Sky and Weather Back

Michinori Tsubouchi - added 6/9/24

JCM 176: 1948 Empire Back

21456 Shigejiro Kanbayashi - added 6/9/24

JDM 29: 1949 Blue Cartoon Back

7825 Kaoru Betto (card in the catalogue with a new back? Or 2nd card?) - added 6/9/24

5302 Roy Partee - added 6/9/24

JF 76: 1960 Nippon Food Sports Gum

Tigers (yellow card fronts)
#5 Fujimoto - added 6/2/24

#16 Miyake - added 6/2/24

#8 Toi - added 6/2/24

Giants (red card fronts)
#20 Horimoto - added 6/2/24

Dragons (blue card fronts)
#3 Naka - added 6/2/24

#9 Yoshizawa - added 6/2/24

#23 Ota - added 6/2/24