Thanks to all for answer, but I have some specific questions in my mind and now I want to share them with you... 1) From my (scarce) informations, the parade saber knot seems to be enacted with the edict 393 of the 20 july 1900 (with Meiji, 33 IJN Uniform minor fix) and it has gold round cord, gold slider and knot, both with red zig zag of rising sun.
Question : The only admiral knot I've seen (few days ago) seems to have a silver (not gold) knot, with red zig zag. Is it a possible material's degradation ? 2) Fueller and Gregory Book explain that was a new formality in 1914 and the changes for Kyu Gunto (versus the previous 1896 regulation about "informal" tassels) for Navy Officers was: "PLAIN cord (as Army tassels after 1912), GOLD slider (without red zig zag ?) and red base. The knot is LARGER than the naval saber knot". Well, I've never seen a naval sword tassel as described above (with plain gold cord and knot larger than the naval saber knot), but I've seen (i.e. Ohmura site) an informal tassel substantially identical to parade saber version (also Red Zig Zag slider) but it sems to have a GOLD (or silver ?) base and it seems to be smaller than the naval parade knot. Question : Is there anyone which has precise informations about 1914 Navy regulation (including, if possible, NCO's tassels)?
NavyKyu Gunto informal knot : http://ohmura-study.net/988.html
Navy commander saber knot : http://ohmura-study.net/930.html
Thanks again.
Dan
PS. Also in the image posted by Thomas, all tassels seems to be identical