It looks like this Part has been superseded by LEGO Part 4085c Plate Special 1 x 1 with Clip Vertical [Thick U Clip].
Note for LDD users:
LDD has two versions of part "Plate Special 1 x 1 with Clip Vertical" ("Plate 1x1 w. Holder" in LDD), but their IDs inside the program do not match the IDs used everywhere else.
Click on a colored part below to see the Sets and MOCs that use part 4085a Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip] in that color. You can find an overview of all LEGO Colors here.
If a color is missing, it probably needs to be added to a Set Inventory.
This part has been used by MOCs in the following colors but not officially released.
There are 5 Mold variations of part 4085a - Plate Special 1 x 1 with Clip Vertical [Thin Open O Clip] in the database, in use between 1980 to 1986. See Molds and other related Parts.