1. Generally, it cannot be refunded. Collectibles generally do not support returns or exchanges.

2. There are two situations for unsubscribing:

1) Ordered but not shipped: The commemorative coins have not been issued yet. You can unsubscribe after negotiating with the postal customer service.

2) Order and obtain the goods: If it can be proved that the postal credit card glorious history commemorative coins were not obtained directly through the postal service, but were defective or fake purchased elsewhere, they will definitely be refunded.

3. Commemorative coins issued by banks are not allowed to be returned, but they can be collected. Such commemorative coins have collection value, and the longer they are collected, the better.

1. What is a credit card?

1. A credit card, also known as a credit card, is a credit certificate issued by a commercial bank or credit card company to eligible consumers. The form is a card with the name of the card issuer, validity period, number, cardholder name, etc. printed on the front, and a magnetic strip and signature strip printed on the back. Consumers holding credit cards can shop or spend money in specialized business service departments, and then the bank will settle accounts with merchants and cardholders.

2. Cardholders can overdraft within the specified amount. Credit cards stipulated in relevant Chinese laws (Interpretation of the Standing Committee of the National People's Congress on the Provisions of the People's Republic of China and the Criminal Law on Credit Cards) refer to electronic payment cards issued by commercial banks or other financial institutions. It has all or part of the functions of consumer payment, credit loan, transfer settlement, cash deposit and withdrawal, etc.

3. On December 1, 2017, the English translation and writing standards in the public service field were officially implemented, stipulating that the standard name for credit cards in English is credit card. Credit card consumption is a non-cash transaction payment method. No need to pay cash when consumption, repayment on the day of receipt. Credit cards are divided into credit cards and quasi-credit cards. A credit card refers to a credit card where the cardholder has a certain credit limit and can repay before spending within the credit limit; a quasi-credit card refers to a cardholder who deposits a certain amount of petty cash in accordance with regulations and pays when the balance in the petty cash account is insufficient. A quasi-credit card that allows overdraft within a specified credit limit. Credit card generally refers to just a credit card.