Composition :
1 cent : 98% copper, 0.5% tin et 1.5% zinc
5 cents : Nickel
10 cents : Nickel
25 cents : Nickel
50 cents : Nickel
1 dollar : Nickel
1978 Custom Set - Round Jewels
The "custom" set contains one coin of each denomination, with an extra centto show the observe in a vinyl-covered case.
The finish of the coins is identical to the corresponding year of brilliant uncirculated (BU). However, since the coins are not protected in this case, itis possible that people have manipulated the coins or the coins can be toned.
This set is also name Specimen Double Penny Set.
In 1977, the Royal Canadian Mint decided to slightly alter the design on the 50 cent coin. On the following year, they decided to change it back to the original design that they had been using from1968-1976. This change spawned 2 different types of alterations in the 50 cent coins of 1978. We can find these differences situated at thebottom of the crown. On one of the variations the jewels on the crown are all round, except for the one in the middle. Where on the second variation all the jewels are square. They each hold their respective names of "Round Jewels" and "Square Jewels".
This set is part of the "Custom" set which have been released between 1971 and 1980.
Also available : 
- 1978 Custom set - Square beads

CUSTOM SETS - 1978 CUSTOM SET - ROUND JEWELS, NORMAL ISLAND - 1978 CANADIAN COINS 08 is categorised COINS AND PAPER MONEY / 08- ROYAL CANADIAN MINT / CUSTOM SETS (14) and sold by l'Imaginaire, a store and specialised website.