Crescent Moon and Tree - Pottery Mark

by Nancy
(USA)

I have a 6 inch pitcher, not even sure of how it took up residence with me. It is brown/green glaze. Makers mark as shown in picture. There is also what appears to be a crescent moon and tree near the blue mark but it is barely visible. Anyone with any thoughts or ideas ?? I am unable to find this mark on the internet. Your time and any suggestions is much appreciated !!
N