Tail light Olds 193? id help

Hello,please help me id this tail light,I picked it up at a swap meet and it is marked Olds,however I need another for a mate and need info on what to search for.I seached the hamb and google images,but need to know beyond all doubt.So many here have the extreme memory.Thank you...Jay
http://i200.photobucket.com/albums/aa64/gasnutty/000_0599_zps83083efe.jpg
http://i200.photobucket.com/albums/aa64/gasnutty/000_0598_zps290945df.jpg

 

I believe those are 1940 vintage tail lamps if I'm not mistaken.

 

Look like '38 Olds to me; could be '39 too.

 

I looked at 1940 olds,I don't think thats it,I need to know for sure.So if anyone is sure please chime in.Thank you

 

it's a 36 Buick,anybody got another?