Very large 43x68.75" double-side advertising sign printed on thin foamcore-like material. 1970s. Side A (as marked) has illustration of Amoco gas pump and "Ultimate Cleans Engines Where Most Gasolines Don't!" text whereas Side B (as marked) features large photo image of Clayton Moore as The Lone Ranger w/"Ride With Silver!" text at top. Two horizontal folds as produced. For outside use at Amoco gas stations and designed to fit into metal frame to display both sides. Sign has several large creases and 3" crack at top left. Expected wear and tear from outdoor display, sign has some aging/wear along fold lines. VG but very rare and first we've seen.