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The RCNA holds an annual convention in a different city each year. The convention includes educational seminars, both competitive and non-competitive educational display presentations, including a display by Canada's National Currency Museum ( a unit of the Bank of Canada), local tours, mint tours when available, specialty club meetings, luncheons, and an awards banquet.
The currency in circulation in a country is based on the need or demand for cash in the community. The monetary authority of each country (or currency zone) is responsible for ensuring there is enough money in circulation to meet the commercial needs of the economy, and releases additional notes and coins when there is a demand for them.
A silver tetradrachm of Ptolemy IV Philopator (r. 221 – 205 BC); an undated issue from the Arados royal mint, struck c. 214–212 BC, 26 mm in width, 14.10 gm in weight; the obverse shows a diademed head of Ptolemy I Soter wearing the aegis, while the reverse shows an eagle standing on a thunderbolt with a Greek inscription: ΠΤΟΛΕΜΑΙΟΥ ΣΩΤΗΡΟΣ, lit.
All modern coins, in turn, are descended from the coins that appear to have been invented in the kingdom of Lydia in Asia Minor somewhere around 7th century BC and that spread throughout Greece in the following centuries: disk-shaped, made of gold, silver, bronze or imitations thereof, with both sides bearing an image produced by stamping; one ...
[1] [7] [9] The collection includes a complete set of three dollar gold coins, including the unique 1870-S specimen, a complete type set of U.S. gold coin designs from 1834 to 1933, and a collection of pattern coins from the United States Mint. In April 2022, the museum announced that the foundation was auctioning off the collection, with the ...
Roman imperial coin, struck c. 241, with the head of Tranquillina on the obverse, or front of the coin, and her marriage to Gordian III depicted on the reverse, or back side of the coin, in smaller scale; the coin exhibits the obverse – "head", or front – and reverse – "tail", or back – convention that still dominates much coinage today.
In 1923, silver 25 and 50 centimos from the peso currency, along with the unissued 50 centavos from 1917 and 1918, were issued with counterstamps which doubled their values to 50 centimos and 1 colón. In 1925, silver 25 centimo coins were introduced. The last government issued coins were brass 10 centimos issued between 1936 and 1941.
The 1, 5, 10, and 25 franc coins were reduced in size, while a new bi-metallic 100 franc coin was introduced, along with a new and reduced size 500 franc coin with heightened security features, including laser marking.