Circulated: A well-circulated 1978 Greek 2 drachmai coin may hold a value of around $0.20 to $0.50 in the numismatic market. Circulated coins show visible signs of wear and tear from handling, such as scratches, nicks, and smoothing of the details.
Uncirculated: An uncirculated 1978 Greek 2 drachmai coin in mint condition may be worth approximately $1 to $2. Uncirculated coins are those that have not been in general circulation and exhibit their original luster, sharp details, and lack of wear and tear.
Proof: Proof coins are special high-quality versions of coins that are produced for collectors and numismatic purposes. A proof 1978 Greek 2 drachmai coin in excellent condition may have a value ranging from $5 to $10 or even higher. Proof coins are characterized by their exceptional finish, polished surfaces, and intricate details.
It's worth noting that the actual market value of a specific coin can be influenced by various factors, including its condition, provenance (history and ownership), mintage numbers, numismatic demand, and current market conditions. Consulting with coin collectors, dealers, or checking reputable online resources for numismatics can provide more precise and up-to-date values.