To celebrate 60 years of serving up one of the most St. Louis-style pizzas in St. Louis, Imo’s is again collaborating with a favorite RFT illustrator — this time, to produce a unique commemorative poster. Illustrator and cartoonist Dan Zettwoch, who famously designed the chain’s anniversary pizza box, has brought his signature style to the poster, which depicts the very first Imo’s, which was located at Thurman and Shaw avenues. “The poster pays homage to the humble beginnings of Imo’s Pizza the year 1964, when Ed and