Wooden souvenir whistle with pasted paper band around body printed with "I am blowing for / Ideal Hygrade / Milk and Ice Cream / Ideal Milk Products Co. / Lancaster, PA"
Provenance
Donor states that on Jan. 1, 1929, York Sanitary Milk Co., Lancaster Sanitary Milk Co. and Ideal Milk Products Co. combined to form Penn Dairies.
