Before revision: GS1 Databar Coupon Bar Code Sample thumbnail|GS1 DataBar barcode symbol encoding a GTIN-12 number frame|GS1 DataBar Stacked Omni-Directional barcode symbol encoding The GS1 Databar Coupon code has been in use in retail industry since the mid-1980s.
After revision: GS1 Databar Coupon barcode sample thumbnail|GS1 DataBar barcode symbol encoding a GTIN-12 number frame|GS1 DataBar Stacked Omni-Directional barcode symbol encoding The GS1 Databar Coupon code has been in use in retail industry since the mid-1980s.