Sun Star vintage Sannen Nikumi no Nakamatachi rare plastic pencil writing board.

New/unused and does come with original plastic. Outside plastic shows wear/discoloration/dirt/marks due to age. Does not affect the writing board.

Pencil/writing board is perfect for putting underneath your paper on your writing surface for smooth writing.

In Japan they are called "shitajiki" which is a pencil board that is placed under a sheet of paper for writing to provide a better surface for writing.

Approximately 9.9" x 7" big. Just about B5 size.