This 3-piece molded float has interesting markings.  The two top pieces have mirror images of the same mark.  One side has 'l0' and the other side has '0l'. 

Although it's a common mark, it appears to be undocumented.

Because these are custom hand-made wooden molds, both of the two top parts of the mold usually have the same matching symbols.

This float also has some nice amber swirls streaking through it.

Typically, these 3-piece floats are thought to be of Korean origin but a considerable amount of these were made in Japan, too.