A 1941 penny without a mintmark means it was minted in Philidelphia.
So very many were made is just a penny
It is worth face value.
Is it a US penny? If so is there a mint mark?
SIMPLE ANSWER: No US coin dated 1965, 1966 or 1967 will have a mintmark, it's just a penny.
A 1941 Australian Penny minted in Perth will have a "." after the "Y" in PENNY (Y.) or, a "." between the KG (K.G) above the kangaroos tail on the reverse. KG is the designers initials. A 1941 Australian Penny minted in Melbourne will have no mint mark at all.
A 1914 penny with no mint mark is worth about $1.50.
A 1943 steel penny with no mintmark can be worth $.35 - $1.50
A U.S. 1965 cent (not penny) was minted without a mint mark. It is a common coin. A 1965 Great Britain penny is worth 10 cents if uncirculated.
2002 mint sets in original package have a value of $15.00 to $20.00. The penny has never had a P mint mark.
Value will vary depending on condition and mint mark. About $0.35
2 to 4 $