16/03/2021: New 5 Rial Polymer Banknote Introduced
A new polymer banknote with a denomination of 5 rials was introduced, enhancing durability and security features of the currency.
30/06/2015: Demonetization of old Guinean franc banknotes
The old series of Guinean franc banknotes, denominated in 'Syli,' ceased to be legal tender, and only the new franc banknotes remained in circulation.
26/09/2012: Introduction of new Guinean franc coins
New coins denominated in the Guinean franc were introduced, replacing the previously used Guinean syli coins.
30/06/2010: Revaluation of the Guinean franc
The Guinean franc underwent a revaluation, with 1 new franc being equivalent to 10,000 old francs.
15/01/2003: New Omani Rial Banknotes Issued
New series of Omani rial banknotes were introduced, featuring enhanced security features and updated designs.
30/06/1997: Introduction of new Guinean franc
A new series of Guinean franc banknotes, denominated in 'Syli,' was introduced as a replacement for the previous currency.
12/06/1994: Smaller Denomination Coins Issued
Small denomination coins, including 5, 10, 25, and 50 baisa coins, were issued in order to facilitate everyday transactions.
17/03/1986: 200 Baisa Coin Introduced
A new 200 baisa coin was introduced, becoming the highest denomination coin in circulation at that time.
30/11/1985: Devaluation of the Guinean franc
The Guinean franc was devalued by 50%, leading to an economic crisis and high inflation.
11/11/1975: 1/8 Rial Copper-Nickel Coin Introduced
A new 1/8 rial coin made of copper-nickel was introduced, representing a fractional value of the rial currency.
02/03/1973: Rial Oman Pegged to US Dollar
The Omani rial was officially pegged to the United States dollar, with an exchange rate of 1 OMR = 2.895 USD.
31/05/1971: Redenomination of the Guinean franc
The Guinean franc underwent a redenomination, with 1 new franc being equivalent to 10 old francs.
27/07/1970: Rial Oman is Introduced
The Omani rial was introduced, replacing the Gulf rupee at a rate of 1 rial = 2.6008 rupees.
01/10/1959: Introduction of Guinean franc
The Guinean franc was introduced as the official currency of Guinea following its independence from France.