Sinclair Mfg. Co.
Toledo, Ohio
Owens-Illinois Glass Company
Brown amber textured glass bottle
Looks to be a quart size bottle
Raised in Glass:
Around Top: Sinclair Mfg. Co. Toledo, Ohio
Bottom: 6 (Owens Illinois logo) 61
beneath this the number
This old bottle is a barn find. I have not tried to clean it in any way as some people prefer them in "as found" condition