1978 coins are usually minted in late 1977 or early 1978 for release in 1978.
The first Eire Punt (One Pound) coin was minted in 1990, the last was minted in 2000.
There was no 1939 Eire (Irish) Penny minted.
There were no Eire (Irish) 1957 Shillings minted.
The Eire (Irish) 20 Pence coin minted from 1986 to 2000, is made from a nickel/bronze alloy and are not plated. Any discolouration (browning or yellowing) will most likely be due to light tarnishing of the coin.
The last Eire (Irish) Florin (Two Shillings) was minted in 1968. They circulated side by side with the equivalent larger 10 Pence coin until 1994 when they progressively withdrawn from circulation.
There was no 1978 British 25 Pence coin minted.
an eire coin depending on denomination and condition can be worth 25 cents to $25.
Please check your coin again. LBJ was never on a US $1 coin. All $1 coins minted from 1971 to 1978 carry a picture of President Eisenhower.
No such coin exists. Silver dollars were last minted for circulation in 1935, and the last silver dollar sized coin was the Eisenhower dollar of 1971-1978, there was no dollar coin minted in 1967.
Such a coin does not exist. The Eire (Irish) 10 Pence coin was first introduced into the currency in 1969.
1990 was the first year of issue of the Eire (Irish) One Punt (One Pound) coin.
The Eire "Punt" (One Pound coin) is probably not a coin of any great interest to collectors unless they are "Mint Uncirculated" or "Proof" coins, or a part of a "Mint Uncirculated" or "Proof" year set. They were minted in 6 years from 1990 to 2000 and are no longer in circulation since Irelands changeover to the Euro in 2002.