There are 14 Regular gas price reports in the past 5 days in Mankato, MN. The average Regular gas price in Mankato, MN is $2.39, which is $0.37 lower than U.S. national average Regular gas price $2.76.
Jewelery appreciates in value over time based on increasing demand for jewelery, because there are more people to buy it. (The world's population increases every century, for example.) In order to achieve the highest appreciation for jewelery over time, it's wisest to invest in the highest-quality stones, metal and designers.
Take note that much of the gold jewelry manufactured before 1980 is slightly below its marked karat value. For example, jewelry marked 18K would actually be between 17K and 17.5K. In 1980, the laws regarding the marking and purity of gold jewelry were changed.