Help identifying a glass light lens

[patmcclerren2]

I have a thick glass lens that measures approximately 1 1/4" in diameter and approximately 1 inch tall not sure if it's bicycle related that's why I'm asking the professionals opinions, thank you in advance

 

[bike]

no, not bicycle

 

[patmcclerren2]

whats your opinion? motorcycle or automotive? Thanks in advance

 

[Roger Henning]

Automotive or maybe marine lens. Roger

 

[patmcclerren2]

Thank you sir

 

[mrg]

 

[patmcclerren2]

Looks like it, what are they off of if you don't mind me asking