Filed under: $1.50 Burgers at R.J. Grunts by Ari Bendersky Jun 10, 2011, 5:25am CDT Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: $1.50 Burgers at R.J. Grunts Pocket Flipboard Email The Deal: In honor of the restaurant's 40th anniversary, visit R.J. Grunts, order any burger and pay just $1.50, the price it cost when the restaurant opened in 1971.When: All day today, June 10. More From Eater Chicago The Latest Stephanie Izard’s Star-Studded Women’s History Month Brunch and More Pop-Ups Around Chicago By Naomi Waxman and Ashok Selvam Dimo’s Will Bring Its By-the-Slice Magic to a Full-Service Restaurant By Tony Tran Illinois Mandates Paid Time Off for Employees in 2024 By Naomi Waxman The Juicy History of Chicago’s Mr. Beef Started With Carl Bonovolanto By Ashok Selvam Hospitality Giants Boka and Levy Take Over Dining at the Art Institute of Chicago By Naomi Waxman Chicago Chefs Will Raise Money For Syrian and Turkish Earthquake Relief By Naomi Waxman