It looks like this Part has been superseded by LEGO Part 60607 Window 1 x 2 x 3 Pane Latticed with Thick Corner Tabs.
Click on a colored part below to see the Sets and MOCs that use part 2529 Window 1 x 2 x 3 Pane Latticed 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 2 Mold variations of part 2529 - Window 1 x 2 x 3 Pane Latticed in the database, in use between 1989 to 2004. See Molds and other related Parts.