Why did ancient Chinese coins have holes in them?
Robert Miller
Updated on April 08, 2026
Ancient Chinese coins are markedly different from their European counterparts. Most Chinese coins were produced with a square hole in the middle. This was used to allow collections of coins to be threaded on a square rod so that the rough edges could be filed smooth, and then threaded on strings for ease of handling.
What ancient coin has a square hole in the middle?
Cash
Cash was a type of coin of China and East Asia, used from the 4th century BC until the 20th century AD, characterised by their round outer shape and a square center hole (方穿, fāng chuān).
What does a Chinese coin look like?
Most Chinese coins are round with a square hole and have four Chinese characters on the obverse side. ‘Kang Xi Tong Bao’ Coin The old coin at the left is an example of a typical Chinese cash coin which was cast during the Qing (Ch’ing) Dynasty (1644 – 1911 AD). It has four Chinese characters (symbols).
Are coins with holes in them worth anything?
There is no set amount of value a coin will lose if it has been holed. The severity of the holing, the rarity of the coin without the hole, and the overall appearance of the coin factor in on the value.
Why does 5 yen coin have a hole?
It’s said that the five-yen coin was primarily given a hole to save materials following the war when rapid inflation was occurring. On the other hand, the 50-yen coin was given a hole because for the first couple years of its non-perforated existence, it was annoyingly similar to a 100-yen coin.
Are error coins valuable?
Mint error coins can be the result of deterioration of the minting equipment, accidents or malfunctions during the minting process, or intentional interventions by mint personnel. Accidental error coins are perhaps the most numerous and in modern minting are usually very rare, making them valuable to numismatists.
How do I know if I have an error coin?
Common places to notice such an error include the chin, eyes, and ears. Look for any cracks, cuds (or blobs covering an image, word, date, etc.), or missing elements on the images. Turn the coin from top to bottom (no, side-to-side will not work), if your coin was right side up before, it should be right side up now.
Are coins good luck?
It has long been considered good luck to carry a coin from your birth year or another milestone date such as a graduation or marriage – and to give coins to friends or loved ones from important years in their lives (you’ll find date-by-date listings for U.S. coins in our extensive inventory of cents, nickels, dimes.