Hi, to me it looks like an original French hussar blade that was re-used as an ottoman sword.
I think that after the NApoleonic wars there has been a surplus of weapons, (or a trade of remaining blades and parts). This could have been bought in France (or Russsia as a spoil of war), maybe together with other surplus in large quantities, exported to same parts of Ottoman teritory and re-fited according to the local fashion, and then travelled up to Crete.
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