It is an important symbol of gold banknotes. Gold note is a precious coin or souvenir, made of gold, and its weight, material and printing are all important parameters of gold note. The first crown number is an important symbol of gold banknotes, indicating the number of banknotes or commemorative coins issued for the first time. Because the first crown number has historical and cultural significance, it has a high value in the collection market and has become an indispensable element in gold banknotes.