This exhibit is titled The 1964 Sierra Leone World’s Fair Commemorative Issue – a Harbinger of the Rise of Self-Adhesive Stamps and was designed by Frank Slack. The exhibitor resides in MA, United States and their exhibit is categorized under philately.
The full PDF of the exhibit may be viewed by clicking on this link. Please note, this link opens in a new browser window, your browser may require permission to open a new window or tab.