Wellcome Brand Diphtheria signage

Two examples of signage for display in a pharmacy:

1. Wellcome Brand Concentrated Diphtheria Antitoxin. White background, black lettering, with Unicorn trademark. Text verso: "Special Note. This Show Card is sent to assist in promoting Sales. Its prominent display will be profitable to you and appreciated by us. Burroughs Wellcome & Co."

2. Wellcome Brand Diphtheria Antitoxic Serum. Black background, silver lettering, with Centaur emblem. Without text on the verso.

[c1925-1930]

2 items 2 display cards. White background: 125 x 380mm. Black background: 130 x 385mm.