10k refers to 10 karats of gold, probably The most affordable gold alloy used in jewelry. It features the least amount of gold, consequently showing up as pale yellow in color. The indicating of “JP 88” will vary depending on the jeweler, country of origin, and particular marking program utilised. https://casper77daftarsitusjudion34577.blogpixi.com/37127343/a-review-of-jp88