For the 1937 penny there is only one obverse die along with two reverse dies. The difference is in the spacing of the date.
1937
Penny |
| Obverse |
Reverse |
 |
- Obverse 1:
- There is only one obverse die.
- Reverse A:
- The spacing between the three and the seven in the date is 0.58 mm.
- Reverse B:
- The spacing between the three and the seven in the date is 0.37 mm.
|
The spacing is measured between the three and the seven.
|
Reverse Dies:
The Date
Large Spacing |
 |
Small Spacing |
 |