As you can read on the classified about the diplomat's dagger, the seller (horatio44) reside in France, Paris, first arondissement (= the fifth avenue in NY, not less!) is member since 2011/5/10, and has revised his classified at 2012/4/10..
Here is his page, with all items he "sells"
May be any GDM collector will recognize any part of his collection!
http://www.vivastreet.fr/profile/ind/horatio44/11161636

"Wer sein eigener Lehrmeister sein will, hat einen Narren als Sch?ler" (He who wants to be his own master, has a idiot for a pupil)