A Silver Penny struck in 1600 would bear the image of Queen Elizabeth I on the front, with the legend "E D G ROSA SINE SPINA" on the reverse, there would be a shield with lions passent and fleurs de lis with a legend saying which city the coin was struck in.
Normally, zero. A basic unit of currency like the Penny, is made from a relatively cheap alloy like bronze or steel. The metal a coin is made from cannot be worth more than the value of the coin. A Penny made from silver would not last five minutes as everybody would be melting them down to recover the silver. The only British low denomination coins minted in silver are those belonging to the Maundy Sets or, the occasional Proof FDC coins which, when they are minted, are usually at 92.5% silver. Prior to 1795, the British Penny was a small silver coin of about 92.5% silver, but the silver content varied depending on the economic conditions of the time.
It is silver
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.
Cents dated from 1982-present are made out of copper plated zinc. If you strip off the plating either by chemical means or simply scraping it off, the penny will look like silver. Of course, you can also plate the penny with silver. These do not raise the coin's value and its only worth a penny.
No US one cent coin was EVER struck in silver. It may have been plated or look like silver, but it's not silver. It's just a penny.
There is actually no such thing as a 1973 'silver' penny. However, there are some Lincoln pennies from 1973-74 that have a shiny, silver-like look. These pennies are worth about $1.25.
All British Pennies from 1982 to 2008 look pretty much the same as the Penny shown at the link below.
A 1927 British Penny looks very similar to all British Pennies minted from 1911 to 1936, other than the date. See the link below and look for the 1936 Penny towards the bottom.
back then, the peenies were made out of iron but it looks silver because of an eye illusion
The U.S. Mint has never made a Silver Penny . If it is a 1957 Lincoln cent, it has likely been chrome plated which can look like silver. This is very common but the coin does not have any numismatic value.
The US has Never made a silver one cent coin, it may have been plated or just looks like silver but it's not silver. The coin has no collectible value at all.
It sounds like you're referring to the 1943 wheat penny, which is actually made of zinc-coated steel, not silver or aluminum. In circulated condition, one is worth about 10 cents.