Please post a new question with the coin's denomination. Also look for a small letter like an A, D, G, etc. somewhere on the coin. That's the mint mark and could be important to its value.
The value of a 1928 Mexican centavos coin depends on the denomination and condition of the coin. The typical value is between 6 and 65 US dollars.
what is the value of a 1921 german 10 pfenning coin
Please look at your pocket change. ALL U.S. coins have the word Liberty on them, so that doesn't help to ID a coin. More, back in 1938 a picture of Miss Liberty was on both the dime and the half dollar. To get a specific value, enter the question "What is the value of a 1938 US (my coin)?" in the box at the top of the page, where (my coin) means its denomination - dime, nickel, half dollar, etc.
The value of a 1920 German coin can vary depending on its condition, rarity, and precious metal content. It is recommended to consult with a coin dealer or a numismatist to get an accurate appraisal of its worth.
A denomination is needed, post new question.
The value of this coin will vary based on circulation. A worn coin is valued at $8. A coin of average circulation is valued at $20. A well preserved coin is valued at $40. A coin that is fully uncirculated is valued at $80.
It's quite sacre, but all depends on the condition of the coin.
what is the value of the German mark coin with horse on back dated 1923
This is a common date coin, value is 3 to 10 cents for circulated coins.
Depends on condition take to reputable coin and stamp dealer or look for value on web
Please post a new, separate question with the coin's date. Without that information it's not possible to estimate a value.
Each coin would have to be seen and graded for a value. The set was not produced by the U.S. Mint.