What is the meaning of the character in this picture?


I was wondering if someone here could tell me the meaning of this word/
expression in this image. [![enter image description
here](https://i.stack.imgur.com/nsBl7.jpg)](https://i.stack.imgur.com/nsBl7.jpg)

Thanks so much.




That is an upside-down 「光{ひかり}」("light") in cursive writing.

[![](https://i.stack.imgur.com/t9nAb.jpg)](https://i.stack.imgur.com/t9nAb.jpg)

