The product is a Rare 2023 China 1oz Gold and 30g Silver Panda 40th Anniversary Set, Graded NGC PF70 Ultra Cameo First Day of Issue. This Limited Edition set includes two coins with a total precious metal content of 1oz and 30g, both with a fineness of 0.999. The coins are produced by the Chinese Mint and certified by NGC, making them highly sought after by collectors and investors alike. Celebrating the 40th anniversary of the Chinese Panda, this set is a valuable addition to any coin collection. This RARE NGC label 1g. 999 ag indicates the coin is encapsulated with a separate, one-gram label that is 99.9% pure silver, as a part of the coin’s overall presentation, and is not the primary metal of the coin itself. “Ag” is the chemical symbol for silver, and. 999 means the label contains 99.9% pure silver. This label is often included on specialized coin packaging by services like to authenticate specific features, such as the coin being a “First Day of Issue” (FDI). The one-gram silver label is a collector’s item in its own right and is used to enhance a coin’s packaging and provide authentication for specific designations like “First Day of Issue”. Comes With Display Box and COA. Hand Signed NGC Labels by the Designer – TONG FANG. Track Page Views With.