Baby Bell Front Vender © 1928 Watling Manufacturing Co.
Style 19-A, Quarter play.
Baby Bell Vender was sold $80 in 1929.
Also released as a Nickel Play model called "Baby Bell Front Vender [Style 18-A]"
Collector's Treasury of Antique Slot Machines from Contemporary Advertising - Peter Bach - Page 30 & 31
Loose Change Blue Book for Slot Machines [4th Edition]