Yoshiya (1950 - 1970) also known as Kobe Yoko Ltd. was a major Japanese toy maker from the post war period.

Yoshiya -known by their mark KO- specialised in mostly mechanical or wind-up toys featuring fanciful designs, but they are also known for its extensive line of Robby the Robot knockoff toys.

KO toys

Ko value and price guide

What's your 'Ko' worth? Here are some recently sold items (UK).

Picture Title Date Sold for
Horikawa Sh Masudaya Yoshiya Machine 07/2019 £183.00
Aoki Yoshiya Cragstan Horikawa Space 08/2019 £150.00
Battery Tinplate Japan Flying Saucer 10/2019 £137.00
Yoshiya Toys Japan Tinplate And 09/2019 £125.00
Horikawa Sh Masudaya Yoshiya Japan 08/2019 £102.00

See all sold items for more prices.


Do you want to know more about collectible tin toys, and want to learn about value and identification? Take a look at these books on old toys on Amazon.

Ko forum

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Comments (2)

Brian - March 8, 2019
I have a Singing Warbler in the original box. Warbler is in great shape, box is torn in one corner. Does anyone know what year this was made and the value

Val - August 24, 2010
I have a tin toy with KO made in japan it is a whale with pioneer on the side bubble eyes and painted like space america theme it has a pull up lever that allows whale to move after it is wound up the mouth opens up and down and it used to have sparks inside which have since wore out just wondering if any one could tell me about it i think it is about 1960 as i played with it when i was little just curious about it.