Found this inside the wall of a house in Baltimore that was built in 1938.
Name on bottle: Pepsi=Cola (with double dot in logo)
Printed on bottom: "Pepsi-Cola," "Trademark" and "3"
Height: 9 5/8"
Capacity: It holds 14 oz., but maybe it was sold as 12 oz.?
The top 2 1/2 in. of the neck is...