It looks like this Part has been superseded by LEGO Part 4739a Treasure Chest Lid [Thick Hinge].
Click on a colored part below to see the Sets and MOCs that use part 4739b Treasure Chest Lid [Thin Hinge] 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.
There are 3 Mold variations of part 4739b - Treasure Chest Lid [Thin Hinge] in the database, in use between 1985 to 2010. See Molds and other related Parts.