1445 Mike Bast, Colby, Wisconsin
Embossing-Same as above except with Wisconsin abbreviated as, "WIS."
Size-Half Pint (8 ounces) approximated
Lip Finish-Tooled Lip
Glass maker-"R.G.Co." (Root Glass Company, Toledo, OH.) embossed on the heel of the bottle.
Date-c.1906-1909? according the Roger Peter's book, "Wisconsin Soda Bottles" Third edition C.1996.