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A real British pound coin, of the old type, on top of a fake.This coin was often counterfeited. Defective milling and letters on a counterfeit coin (top) For modern coins in general circulation, the most common method of protection from forgeries is the use of bi-metallic coins made of two metals of different color, which are difficult to counterfeit at low cost.
The coin weighs 4 grams to match the Vietnamese weight of 10 phần which is 3.7783 grams. [15] As it was deemed too expensive to ship these coins from North Germany to Saigon in French Cochinchina the effort to privately produce these coins was discontinued and all subsequent machine-struck cash coins produced were made by the French ...
In November 1879 the official value of 6 copper phần was equal to 6 sapèques of zinc. However the foreign cash coinages as well as imitation (counterfeit) Vietnamese cash coins made of inferior alloys that circulated in Vietnam at the time were exchanged for only 3 cash coins of zinc. [8]
A lump of ancient Vietnamese cash coins in the National Museum of Vietnamese History, Hanoi. The list of coin hoards in Vietnam comprises significant archaeological hoards of coins, other types of coinages (e.g. sycees) or objects related to coins discovered in Vietnam. The history of Vietnamese currency, independent from China, dates back to the Đinh dynasty period with the Thái Bình Hưng ...
The Counterfeit Coin Bulletin was a publication of the American Numismatic Association, released three times a year to help battle counterfeiting of collector coins.
The Vietnamese cash (chữ Hán: 文 錢 văn tiền; chữ Nôm: 銅 錢 đồng tiền; French: sapèque), [a] [b] also called the sapek or sapèque, [c] is a cast round coin with a square hole that was an official currency of Vietnam from the Đinh dynasty in 970 until the Nguyễn dynasty in 1945, and remained in circulation in North Vietnam until 1948.
A Sichuanese man carrying 13,500 cash coins.. A string of cash coins (Traditional Chinese: 貫, 索, 緡, 繦, 鏹, [a] 吊, 串, 弔, 錢貫, 貫錢, [b] 貫文, 吊文, or 串文; French: Ligature de sapèques) refers to a historical Chinese, Japanese, Korean, Ryukyuan, and Vietnamese currency unit that was used as a superunit of the Chinese cash, Japanese mon, Korean mun, Ryukyuan mon, and ...
Anti-counterfeit money sign and examples of counterfeit notes received by a noodle shop in Kunming, Yunnan, China. Some of the ill-effects that counterfeit money has on society include: [3] [4] Companies are not being reimbursed for counterfeits. This has led to companies losing buying power. [30] As such, there is a reduction in the value of ...