* Change 1 Part Blue {3794 Plate, Modified 1 x 2 with 1 Stud, Jumper (Undetermined Bottom Type) to 3794a Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)} {Alternate to Regular}
* Change 6 Part Dark Bluish Gray {3794 Plate, Modified 1 x 2 with 1 Stud, Jumper (Undetermined Bottom Type) to 3794a Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)} {Alternate to Regular}
* Change 1 Part Blue 3794b Plate, Modified 1 x 2 with 1 Stud with Groove (Jumper) {Regular to Alternate}
* Change 6 Part Dark Bluish Gray 3794b Plate, Modified 1 x 2 with 1 Stud with Groove (Jumper) {Regular to Alternate}
Comments from Submitter:
Source: Set from my own collection that was never mixed with other bricks. Moving old type to regular.