Sorry bout the size but it only worked well blown up a bit..
Actually took this to compare my latest N. hamata with pictures of uppers I have seen on the web. The picture turned out really nice so thought I would crop out just the peristome for viewing. I don't believe this is fully open yet but I also don't believe it is fully an upper pitcher although some aspects are.. ie tendril in the back, no fringed wings etc.
It's interesting as tooth count dropped by 10 from the previous pitcher which is roughly the same size. There are also less dark markings on the pitcher although it still shows a fair amount.