I have a Sweetheart key of low D to sell. Here is the link with pictures.
https://forums.chiffandfipple.com/t/fs-sweetheart-irish-flute/78327/1
Like many others I was caught up in buying and trying many whistles, flutes, banjo, guitar, bodhran, panpipes, etc.
Now I have not enough instruments to open a store but enough that I can not play them all. 