We can offer you the following new goods for the best price and quality

POSTCARD has slots in which coins can be kept.
We encounter many kinds of coins when traveling in other countries, and those coins have their own colors and shapes.
Sometimes coins are annoying to travelers because they weigh their pockets down. However nobody can deny that coins are one of the best souvenirs.
If you put these two items together, you could use it as a significant souvenir for your friends and yourself.
We call this "coinpostcard"