The Kong "8" Light Plus eights have a variety of markings. This table summarizes the differences:

Image Eight Markings Kong "8" Light Plus, Version A Front: "KONG" in raised letters, top to bottom Rear: "KG.2000" in raised letters Kong "8" Light Plus, Version B Front: "KONG" in stamped letters, bottom to top Rear: "KG.2000" in raised letters Kong "8" Light Plus, Version C Front: "KONG" in raised letters, bottom to top Rear: "KG.2000" in raised letters

Image Eight Markings Kong "8" Light Plus, Version D Front: "KONG" in stamped letters, top to bottom Rear: "KG.2000" in raised letters Kong "8" Light Plus (805.02) Front: "KG.2000" in raised letters Rear: (blank)

Versions A & B have a different shape eye than the others. I have a small preference for this eye design since it is sized and shaped for belaying.