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.
Some valuable fine jewelry hallmarks include: Tiffany & Co, Cartier, Tacori. Any of these hallmarks should be appraised for authenticity. Common costume jewelry hallmarks include: Sarah Coventry, AVON, & Trifari. These hallmarks indicate your jewelry is a piece of costume jewelry and is not very valuable.