1. 1951 Wheat Penny (Good Condition):
- $0.05 to $0.10
2. 1951 Wheat Penny (Very Fine Condition):
- $0.10 to $0.20
3. 1951 Wheat Penny (Extremely Fine Condition):
- $0.20 to $0.50
4. 1951 Lincoln Memorial Cent (Good Condition):
- $0.01 to $0.02
5. 1951 Lincoln Memorial Cent (Very Fine Condition):
- $0.02 to $0.05
6. 1951 Lincoln Memorial Cent (Extremely Fine Condition):
- $0.05 to $0.10
7. 1951 Proof Penny (Any Condition):
- $1.00 to $5.00
It's important to note that these prices are just approximate and can vary based on market conditions, buyer interest, and specific characteristics of the individual coin. If you have a 1951 penny and want to determine its exact value, it's best to consult a professional numismatist or check reputable online resources for coin valuations.