It looks like this Part has been superseded by LEGO Part 28802 Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top].
Click on a colored part below to see the Sets and MOCs that use part 10201 Bracket 1 x 2 - 1 x 4 [Rounded Corners] 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.