Some scenarios:
1. you broke the first one and got another on warranty, and understand its future value, so keep it for 20 years, then try to make a profit. Nice to look at in the mean time.
2. your shop had it and went bankrupt and you bought the stock and stored it for a few more years until things became collectible, then try to make a profit.
3. you are not telling the truth, you are actually working for the central bank on pushing up inflation. e.g. you bought it from someone for €500, maybe during the corona time, store it for "20 years" (meaning "a long time", eg 20 dog years) and then try to sell it for €2000 to make a profit.