JCM 86: 1960 Yamakatsu Home Plate

I've included here one that is as of yet uncatalogued.
Moritake

JCM 70: 1960 Maruten Grey Pitching Back

I've included below an uncatalogued one I saw on ebay:

JCM 65: 1957 Maruya Color Menko 1

I've included below here an unlisted example that I found on ebay.

JCM 57c: 1960 Maruya Green Pitching Grip Back

JCM 57c: 1960 Maruya Green Pitching Grip Back is another in a number of varieties featuring a cool pitching grip/advice backside. There are at least 33 cards in this set, and I've included some that seem to be uncatalogued as of yet.

JCM 57a: 1961 Maruya Green Pitching Grip Back

I'm including below an uncatalogued one that I believe belongs to this set that I saw on ebay:

JCM 42b: c.1959 Marusan Simple Back, Border, Info Back

The few I have seem to be uncatalogued.
Tanaka

Balbon

Iida

Takakura

JCM 38b: c.1959 Marusho Two Bat Back

I've included here some uncatalogued cards. Fujimoto

Ozawa

Fujita

I've included below another uncatalogued example I found for sale on ebay:

JCM 37b: 1957 Marusho B&W

I've included some here that aren't catalogued yet.
Stanley Hashimoto

Kono

Shigeru Fujio

Masaichi Kaneda

Sakazaki/Takahashi

JCM 33g: 1959 Yamakatsu Upper Left Glove

I've included below an uncatalogued card I found on ebay:

JCM 33e Type 1: 1959 Yamakatsu Upper Left Glove

I'm including below an uncatalogued one that I found for sale on ebay.

JCM 33a: 1958 Yamakatsu Upper Left Glove

I'm including below an odd variant I found on ebay, with no text on the front. I'm not sure if this is just an error card, or another type of the JCM33 series.

JRM: Uncatalogued #39

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #37

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #36

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #35

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #34

JRM: Uncatalogued #33

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #32

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #31

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #30

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #29

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #28

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #27

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #26

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #25

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #24

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #23

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #22

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #21

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #20

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #19

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #18

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #17

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #16

There are a number of uncatalogued round menkos. This is one group that I've put together.

JRM: Uncatalogued #15

There are a number of uncatalogued round menkos. This is one group that I've put together.