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 Let’s Speculate Why John Cena Is in Chicago By Ashok Selvam Uncle Julio’s Closes on North Avenue After 32 Years By Ashok Selvam Construction Leads Logan Square Farmers Market to Move By Ashok Selvam A Beloved Cream-Filled Cookie From The Philippines Is Coming to Jefferson Park By Ashok Selvam Everything Chicagoans Need to Know About ‘Top Chef: Wisconsin’ By Naomi Waxman Blommer to Close Chicago Chocolate Factory After 85 Years By Ashok Selvam