One of these chisel is made from aogami 青紙鋼( Blue paper steel) and other materials at a factory in Sanjo City, Niigata Prefecture, Japan.

本職用彫刻刀

No stamp, but all of them are made as professional model.

1 round blade 3mm, (丸刀)

2 .

9mm left Isuka blades,

米蔵　

左イスカ刀(left Isuka blades, )

3.

9mm left Isuka blades,

米蔵　

左イスカ刀(left Isuka blades, )

4.

12mm right stamp blade

(No case , we use a paper cover )

5.

Blue steel round shape 9mm

特撰 tokusen;special selected

初好 MOTOYOSHI

丸刀 round shape

青紙鋼 blue steel

9mm

* Motoyoshi;

初Moto ; first time, remember starting first emotion, first will,first decision that should not be forgotten.

好Yoshi

Meaning love, like, enjoy,

Thus two letters shows first decision or mind that loves enjoying is important, although sometimes may unexpected things happen, or first aim , just important to do enjoying and continue..

I hope above translation may work to inform you it’s meaning ..

Set of 6 pieces in total. 

Unused, but the handle is a little dirty due to long term storage.

Very precious chokokuto of Japanese .

I heard these chokokuto were scheduled to be sold with a wooden boxes approximately 200usd for 5 chisels.

I am currently listing ONE PIECE of chokokuto that is from same.

So this set one same left isuka chojokuto, but good chisels for carving .