There are no Mint records of 1975 cents struck in aluminum. Only experimental 1974 cents were struck in that metal and they weren't zinc-plated.
The best thing to do is to weigh your coin on a sensitive scale. All standard 1975 cents were struck in bronze and weigh 3.11 gm. An aluminum cent would weigh 1 to 1.3 gm.
Plated coins are considered to be altered items with no extra numismatic value.
1 cent. It's actually made of 97.5% zinc and is only copper-plated.
The US has never made a one cent silver coin. It's likely been plated as a novelty coin or to be used as jewelry. It has no collectible value.
Their are real 1847 1 cent Hawaiian coins but this is not one of them. No gold 1 cent coins have ever been struck. It's likely a gold plated replica and has no collectible value.
There is no market value for the 1974 aluminum cent because it's illegal to own one.
Plated coins are considered to be altered items with no extra numismatic value.
One cent. It was probably plated for use in jewelry or similar. It has no special value to collectors, however.
1 cent. It's actually made of 97.5% zinc and is only copper-plated.
1 cent. It's plated. The US has never made a gold penny.
The US has never made a one cent silver coin. It's likely been plated as a novelty coin or to be used as jewelry. It has no collectible value.
Sorry no gold five cent coins were made.Some 1883 nickels were plated with gold. These were called "racketeer" nickels because they were used by criminals who passed them as $5 gold pieces. Because of their history there is a collectors' market for plated nickels with that date.A plated nickel with any other date is considered to be an altered coin with no extra value.
All 1968 cents were struck in bronze. If your coin is silvery in color it's almost certainly plated. In addition if it were made of aluminum it would weigh only about a gram, 1/3 the weight of a cent from that year. The only aluminum US cents ever made were experimental pieces in 1974 and none were ever put into circulation.
Canada only made silver 5-cent coins in 1913, not nickels. In any case any "gold" 5-cent coin is actually plated, which destroys any collectible value.
Their are real 1847 1 cent Hawaiian coins but this is not one of them. No gold 1 cent coins have ever been struck. It's likely a gold plated replica and has no collectible value.
There is no market value for the 1974 aluminum cent because it's illegal to own one.
The New Zealand 1 cent coin was only issued as a bronze coin. If you have one that appears to be silver, it is because somebody plated it. Modified coins have no collector value.
One Cent is the value. The US has never made a silver penny. It may look like silver or have been silver plated but it has no collectible value.