Hello
here, some pictures of a mumei sword( polish laid off), shinto for me;
69 cm nagasa,sori 1,6 cm, kasane 7,5 mm, moto 3,15 cm, saki2,1 cm
o hada,shinogi ji seems masame, niku oki, nioi gunome midare, plenty sunagashi,ko maru boshi, ubu nakago with kiri mei and ha agari kurijiri. may be a chikuzen nobukuni (strange no nie) ?