It looks like it's lacquered, but I can't say for sure... How about using it as a small case for cards, etc.? Size: Width: approx. 11cm, Depth: approx. 22cm, Height: approx. 4.5cm [About Discounts] If you purchase two or more items together, we will offer a small discount equivalent to the shipping cost. We also have many other old items for sale. Please take a look. #CoffeeAndOldToolsAndSmallItems There may be scratches and stains due to age. Please understand the characteristics of old items before ordering. #ShowaRetro #OldTools #Antique #Vintage #RetroGoods #Antique #FleaMarket