How many groups of calligraphy gold and silver coins have been issued?

Calligraphy gold and silver coins are issued in four groups.

Front pattern.

This set of gold and silver commemorative coins has the word "China" on the front, with bronze decoration, and the country name and year number are published.

There are patterns on the back.

The design on the back of the 8-gram round gold commemorative coin is a combination of local characters in Yuan Bo Post written by the King of the Eastern Jin Dynasty, and the words "You You" and "China Calligraphy Art" are printed, and the words "Wang Boyuan Post China Calligraphy Art in the Eastern Jin Dynasty" and their denominations are also published.

150g rectangular silver commemorative coin with the back pattern is part of the text of Preface to Lanting written by Wang Xizhi of the Eastern Jin Dynasty.

It also publishes the combination design of bamboo forest, pavilion, seal cutting and seal between Lanting and China calligraphy art, as well as the words "China calligraphy art, East Wang enters Xi Zhi Lanting preface" and its naming. The pattern on the back of the 30g round silver commemorative coin is a combination of the local characters of Yan Zhenqing's "Sacrifice for Nephew" in Tang Dynasty, the words "Jieting Lan Yu", orchids, "China Calligraphy Art" seal cutting and seals.

And published the words "China calligraphy and art world Tang Yan Zhen Qing's nephew offering manuscript" and its denomination. The pattern on the back of the 30g round silver commemorative coin is part of the book Huangzhou Cold Food Poetry written by Su Shi in the Northern Song Dynasty, and the words "Wowen Begonia Flower" and the combination design of seal cutting and printing of Begonia Flower and China calligraphy art are published, and the words and denomination of "China Calligraphy Art Huangzhou Cold Food Poetry written by Su Shi in the Northern Song Dynasty" are also published.

On the back of the 30g round silver commemorative coin, the pattern is part of Shu Su Tie written by Mi Fei in the Northern Song Dynasty, the words "Song Qing is vigorous and upright", the seal combination of the calligraphy art of pine trees and China, and the words "China calligraphy art of Bei Mi Song Shu Fei Su Tie" and its denomination are published.

Specification and circulation of commemorative coins

1.8g round gold commemorative coins are refined coins, containing 8g pure gold, with a diameter of 22mm and a denomination of 100 yuan, with a color of 99.9% and a maximum circulation of 10000 pieces.

2. 150g rectangular silver commemorative coins are refined coins, containing pure silver 150g, with a specification of 80mm× 50mm and a denomination of 50 yuan, with a color of 99.9% and a maximum circulation of 5,000 pieces.

3.30 grams of round silver commemorative coins are refined coins, containing 30 grams of pure silver, with a diameter of 40 mm and a denomination of 10 yuan, with a color of 99.9% and a maximum circulation of 3× 20,000 pieces.