Hard score: 1955- 199 1.

Hard center1:1955-1991,2000, 2005-20 13, 20 15.

In addition, 1992 1 min, 2/min, 1993-2000 1 min, 2/min and 5/min do not participate in circulation, and only exist in China coin sets.

March 1955, 1, the second set of RMB issuance, 1, 2,5, 1, 2,5, 18+0 yuan, 2 yuan, 3 yuan and 5 yuan.

1 957 65438+February1,and issued 10 yuan coupon again.

At the same time, since 1957 12 1, in order to make it easier for the State Council to announce the issuance of metal coins, three kinds of metal coins have been issued successively, namely coins and banknotes, which are chaotic and smooth.

Later, the patterns and stripes of 1 yuan and 5 yuan coupons were adjusted and changed color respectively.

On March 25th 196 1 and April 20th 1962, black 1 yuan coupons and brown 5 yuan coupons were issued respectively, which increased the edition of the second set of RMB from 1 1.

On April 1964, 14, the People's Bank of China issued an announcement on the withdrawal of three kinds of RMB coupons, and decided to withdraw the 1953 version of 3 yuan 5 yuan and 10 yuan coupons printed by the Soviet Union from April 1964 to June1993.

What is the original light coin?

Coin original light refers to coins that have never passed through the market after casting, and the surface of coins keeps its original shape without any wear and stains.

The original light of coins is also a symbol of ten products (perfect products) in folk coin trading. The transaction price of original light coins in that year is often higher than that of non-original light coins.

What is money?

As the name implies, it is a coin that has passed through circulation after casting. These coins should be scratched or stained after touching and bumping with hands.

What is money washing?

Wash the washed coins with liquid medicine (coins are soaked in silver washing water, monosodium glutamate water and white vinegar, or even wiped with an eraser) to remove the dirt and rust on the surface. On the surface, there is not much difference, but the coins washed with liquid medicine will have different luster from the original coins, with white color and insufficient luster.