Made circa in the 1990s. Traces of this can be seen on it.
Who invented the triangle Rubik's cube? When did they invent it? Why? - Quora
Rubik's Cube Shop Budapest – Rubik's Cube Shop Budapest
Rubik Erno, the inventor of the Magic Cube
Rubik's Cube Creator Pages 1-35 - Flip PDF Download
Rubik Cube – Hungarian – Patent Artwork
Original Rubiks Cube by Rubik Studio Budapest Hungary 1990s
Ernő Rubik: Inventor Of The Rubik's Cube
Hungarian Cube Photos and Images
Original Rubiks Cube by Rubik Studio Budapest Hungary 1990s
381 Rubik Cube Design Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime
Rubiks cube style hi-res stock photography and images - Alamy