There's a huge die chip on the window frame. One of the window panes (the wood part) seems doubled (the one on top of the marked one is probably a little doubled too. I marked the die chip in red ...and the doubled pane separator thingy (sorry I don't know the name of that part) in green. <English as a third language here plus "thingy" is my favorite word > There are notches on the left side of the window frame and the top of it, but those look like PMD. With only 1 thingy I could see doubled (if it's doubled) is it enough to call it a DDR?