The pattern is called "Clarendon" in this advertising circular by Zanol, a door to door sales company of everything from food to perfume. Buying a certain dollar amount of Zanol goods entitiled the buyer to "free" glassware. This pattern is Imperial's Bellaire #505. The circular measures 24" by 18", printed both sides. Dated 1923.
Zanol was a trade name of the American Products Company of Cincinnati, Ohio. They were established in 1907, and a web search indicates they were still active in the 40s but the exact date they closed is unknown. They sold a wide variety of products with many of them manufactured and labeled with the Zanol name.
