The toys illustrated beow are variously described as Kosuge and/or Kuromochi, two Japanese stamped tin toymakers. Kosuge (Kosuge Toy Industrial Co Ltd), with the trademark KSG in a diamond, was Matsuzo Kosuge who, after WWII, designed tin toys for Marusan. Kuramochi (Kuramochi and Co Ltd or Kuramochi Shoten), used a trademark of the letters CK in a diamond. Some toys appear to be marked both Kosuge and Kuromochi.
![]() Kosuge KSG Kuromochi CK Speed Electric Car marked Stream Line Train, running on track The trade mark on bottom right of the box label appears to be letters within a diamond |
![]() Kosuge KSG Kuromochi CK Stream Line Mechanical Train marked Stream Line Train, running on track The trade mark on bottom right of the box label appears to be letters within a diamond |
![]() Kosuge KSG Kuromochi CK Stream Line Train mechanical (clockwork) car |
![]() Kosuge KSG Kuromochi CK Stream Line Train High Speed Passenger Train Special mechanical (clockwork) floor toy |
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