Pokémon Paper Masks.  These are in a book like binder but is not a real 'book'.

Official Nintendo 1995-2000 Creatures Game Freak.

Unused and only taken out to photograph them.

Includes:

>> 11 Masks

>> 2 (3-D) Poké Balls

>> 3 Sheets of Additional Pieces

>> Instruction Sheet

Sold as shown.

LWB1