Old Medicine Bottle

This is an old Castoria bottle. It measures 7.25" x 2.25" x 1.25". One side says Castoria in block letters and the other says Chas. H. Fletcher's in script and they are both embossed. The bottom on the left has a P in a circle, U.S.A. in the middle and on the right is a 5. The seams are catty corner and do not go over the top. This bottle was machine made by Pierce Glass Company. I cannot tell the year, guessing maybe 1925. Apparently this product was used as a replacement for Castor Oil and used as a laxative. It is a bottle green color. Any help in dating is appreciated.