* Delete 8 Part 2453 Dark Bluish Gray Brick 1 x 1 x 5 - Undetermined Stud Type (match ID 1)
* Add 8 Part 2453a Dark Bluish Gray Brick 1 x 1 x 5 - Blocked Open Stud or Hollow Stud (match ID 1)
* Delete 2 Part 3794 Reddish Brown Plate, Modified 1 x 2 with 1 Stud (Jumper) (Undetermined Type) (match ID 2)
* Add 2 Part 3794a Reddish Brown Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper) (match ID 2)
Comments from Submitter:
Source: Sealed Set Contents, cleaning up undetermined types