Buy 1 Get 1 Free The Culver’s® Double Deluxe Sandwich. Expires 10/6/20. Electronic versions of this coupon are not accepted. Shown: The Culver’s® Double Deluxe Sandwich. Based on purchase at regular menu price. Please no substitutions. Not valid with any other offer. Value 1/200 cent. Limit one coupon per person per visit. Valid at the Falkenburg Rd. & Big Bend Rd location only. 635 - 09/06CM-B