Chinese painting signature and seal translation (Characters identified: 羅鼎華印)
There's nothing here but the artist name, which is 羅鼎華 (Mandarin: Luó Dǐnghuá).
The calligraphy says

鼎華
Dǐnghuá

The seal says

羅鼎蕐（華）印
Seal of Luó Dǐnghuá