UP FOR AUCTION IS AN EARLY EXAMPLE OF ADVERTISING PIECES PRODUCED TO GET THE COMPANY NAME IN FRONT OF THE PUBLIC. THIS PIECE IS MADE OF CANARY OR VASELINE GLASS WHICH HAS A YELLOW/GREEN COLOR IN SUNLIGHT BUT UNDER BLACK LIGHT THE GLASS RADIATES TO A BRIGHT GREEN COLOR. THIS IS CAUSED BY THE LEVEL OF RADIUM IN THE GLASS AND MAKES THE PIECE COLLECTIBLE. THE PIECE WAS PRODUCED FOR THE COLGATE COMPANY, WHICH IS THE EARLY MAKING OF PROCTOR AND GAMBLE CONGLOMERATE. THE PIEC...E IS IN EXCELLENT CONDITION AND HAS NO CHIPS OR CRACKS. ~ PLEASE ASK QUESTIONS BEFORE BIDDING AND GOOD LUCK! ~ We guarantee this and all in this collection to be original and not a reproduction ~ We purchased a collection of over 100 pieces, we will have them up in the next 7-10 days~ THIS ITEM WILL BE INSURED FOR THE PURCHASE AMOUNT AND IS INCLUDED IN SHIPPING COST