Coins 1964 year of issue

Soviet coins
During the year, only 4 coins were issued - 1 kopek, 2 kopecks, 50 kopecks and 1 ruble. Of these, more valuable - pennies of minimum dignity.
It is noteworthy that since 1964, 1 ruble coins were minted with the inscription "1 ruble" and "1964" on the edge. After the reform, the previous metal rubles were printed with smooth bands, and were easily forged.
Coins were minted:
- 1 ruble of cupronickel, weighing 7.5 grams and measuring 2.7 centimeters;
- 50 kopecks, copper / nickel, weighing 4.4 grams, and 2.4 centimeters wide;
- 2 pennies, brass, weigh 2 grams, diameter 1.8 centimeters;
- 1 kopek, copper / zinc, weight 1 gr., Width 1.5 cm.
Foreign coins
In 1964, the following coins were issued in other states:
France, Fifth Republic:
100 francs, nickel, weight 8.54 g, diameter 2.65 cm;
5 francs, metal - silver, weight 12 grams, size 2.9 centimeters;
1 franc, made of nickel, weighing 6 grams, 2.4 cm wide;
20 centimes, material - aluminum bronze, weighing 4 grams, measuring 2.35 centimeters;
5 centimes of stainless steel, weight 3.5 g., Size unknown.
Austria:
50 shillings of silver, sample 900, weighing 20 grams, width 3.4 centimeters;
25 shillings, material - silver, sample 800, weighing 13 grams, measuring 3.05 centimeters;
5 shillings, metal - silver 640 samples, weight 5.2 g., Diameter 2.35 cm;
1 shilling, aluminum bronze, weight 4.2 grams, width 2.25 centimeters;
50 groszy, made of aluminum bronze, weigh 2.97 grams., Size 1.944 cm;
USA:
50 cents (half a dollar), material - silver, 900 samples, weigh 12.5 grams, measuring 3.06 centimeters;
25 cents (quarter), minted from 900 silver, weight 6.3 g., Diameter 2.426 cm.
American coins minted three mints in Philadelphia (Pennsylvania), Denver (Colorado), and San Francisco (California).