What is lost wallpaper?

As an AI language model, I don't have personal experiences or emotions. However, I can provide some information about lost wallpaper.

Lost wallpaper refers to wallpaper that is no longer available for purchase or has been discontinued by the manufacturer. This may occur if the pattern or design becomes unpopular or if the manufacturer goes out of business. This can be frustrating for homeowners or decorators who have used a particular wallpaper in a room and need to replace a damaged section or add more to another area.

There are some companies that specialize in reproducing vintage or discontinued wallpaper patterns, which can help in finding a replacement. However, these reproductions may not always match the original wallpaper exactly in terms of color and texture.

It is important to keep extra rolls of wallpaper on hand when doing a wallpaper project, in case replacements are needed in the future. Additionally, storing the original wallpaper label and design number can make it easier to find a replacement if needed.