This item comes with an insert to create a fold - open gimmick cover. It's from 1980, with the model number MUSHROOM L - 37489. The cover shows signs of ring wear.
To use this product, open the fold - open gimmick cover created by the insert. It's a unique piece from 1980. When handling it, be gentle as the cover has ring wear. To maintain it, keep it in a dry and clean place away from direct sunlight. Avoid rough handling to prevent further damage to the cover.
