* Add 2 Part 3794b Black Plate, Modified 1 x 2 with 1 Stud with Groove (Jumper) (Alternate) (match ID 1)
* Change 2 Part Black 3794 Plate, Modified 1 x 2 with 1 Stud (Jumper) {match ID 0 to 1}
Comments from Submitter:
Grooved versions found in sealed sets.