* Add 2 Part 3069b Black Tile 1 x 2 with Groove (Alternate) (match ID 1)
* Change 2 Part Black 3069a Tile 1 x 2 without Groove {match ID 0 to 1}
Comments from Submitter:
I have two copies of this set which I got assembled and in mint condition, so it is very likely that all parts are originally from this set (European, enclosed instructions say "Made in Germany"). Both copies include tiles with groove. Since I cannot prove that a minor quanitity of sets (or even no sets) with 3069a exist = 3069b as alternate part