PegasusArms

Hi all, came across this sword...for decades, I thought I had seen pretty much all Japanese colonial swords for decades, but I have never seen an emblem like this one has. The emblem or mon is surely not from the Formosa/Taiwan, Chosen/Korea, or Nanyo/South Sea Japanese colonial government. Anyone can help identifying this emblem? This must be pretty rare? Help a man learn something new? Much appreciate!