Here is a nice example of a Hojoji Masahiro.
Hojoji Masahiro was originally from Tajima, but later moved to Edo where he achieved great respect as a swordsmith. He is considered the best smith of the Hojoji Mon. Fujishiro ranks him as Jo Saku. His is also a Wazamono rated smith for making sharp blades. Collectors have gained great appreciation for his works because of their remarkable similarity to the great Kotetsu, another Edo smith. Exploring the relationship between Masahiro and Kotetsu would be a great area for further study. Like Kotetsu, he made many mumei blades and this is actually a kantei point, as most Shinto works are signed.
This blade is mumei, as you can see. At the Philadelphia Sword Show, I had the opportunity to compare this sword to a signed Hojoji Masahiro wakizashi brought by Andy Quirt. The two swords were very similar. I almost wanted to buy his and have a Daisho koshirae built. But, I have already been down that road.
Here are some halfway decent pics for your enjoyment.