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

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 #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 #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 #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.

JRM: Uncatalogued #14

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

JCM 12a: 1959- Marusan Simple Blue Back

Not sure which of the JCM 12 sets these belong to:

JCM: Uncatalogued #13

There are a number of uncatalogued sets that I've found so far. This is one of them.

JCM: Uncatalogued #12

There are a number of uncatalogued sets that I've found so far. This is one of them.

JCM: Uncatalogued #11

There are a number of uncatalogued sets that I've found so far. This is one of them.

JCM: Uncatalogued #10

There are a number of uncatalogued sets that I've found so far. This is one of them.

JCM: Uncatalogued #9

There are a number of uncatalogued sets that I've found so far. This is one of them.

JCM: Uncatalogued #8

There are a number of uncatalogued sets that I've found so far. This is one of them.

JCM: Uncatalogued #7

There are a number of uncatalogued sets that I've found so far. This is one of them.