Circulating coin

What these coins tell us a few, from the oldest to the most recent

1. 1750
   Escalin de Marie-Thérèse au lion du Brabant (1749-1750)Austrian Netherlands escalin 1750 - Marie Thérèse - Main
2. 1858
   Série de 2½ gulden de Guillaume III (1849-1874)Netherlands, 2½ gulden, William III, 1858
3. 1887
   Série de 2 lires d'Humbert Ier (1881-1899)Italy - 2 lire 1887 R - Umberto I
4. 1912
   Série de 50 centimes d'Albert Ier (1910-1914)50 centimes - Albert I in French
5. 1935
   Série de 20 francs de Léopold III (1934-1935)Belgium 20 francs 1935
6. 1950
   Série de 20 francs au type Mercure (1949-1955)Belgium 20 francs - Prince Charles - “Mercury” type in French 1950 - ↑↑
7. 1969
   First 50 new pence coin of Guernsey (1969)Guernsey 50 new pence 1969 - Ducal hat of Normandy
8. 1990
   First year of the Irish 1-pound coin (1990)Ireland 1 pound 1990 - Red Deer - Beautiful Proof

By decade

All coins 219 coins, from the oldest to the most recent

1953United Kingdom ½ Penny 1953 195450 francs - Prince Charles - type Mercury in Dutch 1954United Kingdom ½ Penny 1954 1955Canada 10 cents - Elizabeth II 1955 1955Mexico 10 pesos 1955 Mo 1955Mexico 5 pesos 1955 Mo 1955Netherlands 1 Gulden - Juliana - 1955 1958Italy 500 lires - 1958 R 1959Guernsey 3 pence 1959 - Guernsey Cow 1959Guernsey 8 doubles 1959 - Guernsey Lily 1960Greece 20 drachmas - Paul Ier - 1960 1960Netherlands 2½ gulden - Juliana - 1960 1963Canada 50 cents - Elizabeth II 1963 1963Ireland 1 Shilling 1963 1964Mexico 1 peso 1964 Mo 1965Canada 1 dollar - Elizabeth II 1965 1965United Kingdom 1 Penny 1965 1966Canada 25 cents - Elizabeth II 1966 1968Guernsey 10 new pence 1968 - Guernsey cow 1969Guernsey 50 new pence 1969 - Ducal hat of Normandy 1969Ireland 10 Pence 1969 - The Salmon 1970Ireland 5 Pence 1970 - The Bull 1970Ireland 50 Pence 1970 - The Woodcock 1971Guernsey 1 new penny 1971 - Puffin