Mizkaki

That makes it a 127 from march 20, 1922. One of 25,000 that was commissioned on that date.
You have a really nice machine. That 'straight leg' treadle is my favorite treadle style. It came in both a metal and wooden leg version and I am lucky enough to have both styles. I don't know if the two versions were produced during the same time frame or if one preceded the other.

Cathy