One cent. It's a privately-made novelty item.
The value of a 1984 penny with a turkey stamped on it will depend on its condition, rarity, and demand among collectors. In general, altered or novelty coins like this may have minimal value to coin collectors. It's best to consult with a reputable coin dealer or numismatist for a more accurate assessment.
The Archaeologist was created in 1984.
You are referring to a coin from Greece (the letters that you wrote as "theaahniikh ahmokpatia" are actually "ΕΛΛΗΝΙΚΗ ΔΗΜΟΚΡΑΤΙΑ" in the Greek alphabet - they would be pronounced as "(H)ellenike Demokratia" and translate as "(the) Greek Democracy"). You would need to describe the coin more fully (denomination and condition) to be able to get an accurate value.
Mauna Loa's last eruption occurred from March 24 to April 15, 1984.
US Gypsum stopped making asbestos containing products some time before 1984.
To find out if a house has asbestos in it, you should first learn when it was built. Houses built in the US after about 1984 are unlikely to have any asbestos-containing materials involved in their construction. Then, have a qualified inspector examine the house and take samples of suspect building materials. Have them analyzed by a qualified lab and review the laboratory report or have it explained to you. It is impossible to tell by looking alone, or by a test performed in the home, whether any particular building material contains asbestos.
1 cent
Only if you have the other 49 pennies in the set.
The British Half Penny was no longer issued after 1984.
The British Half Penny was no longer issued after 1984.
The last Australian Penny was minted in 1964.
The coin is still in circulation today and has face value only.
The coin is still in circulation today and has face value only.
Uncirculated $1 to $475 depending upon the condition of the coin.
Retail value of a MS-63 example is $250.00
It's been altered after it was minted. No extra value.
If you are refering to 1984 hen and poults #6 $250.00
Each coin would have to be valued to get a price for the collection. I suggest having a dealer or collector do this for a accurate value.