Hi,
The title of this coin (1 Leu - Carol II) is wrong, because the coin was mint also during Mihai I's reign.
Carol II's reign - 1930 - 1940
Mihai I's reign - 1927 - 1930 (regency)
- 1940 - 1947
https://en.numista.com/catalogue/pieces2773.html
Thank you.