Folding rear sight?

[LeverGunner]

I am aware of but 2 folding rear sights, the Marble Arms #95, and the type on Marlin 1894 rifles/carbines. Is there any others I'm missing?

Marble's #95

[paleroadster]

Express sights, often with multiple leaves for different distances. A lot of Euro rifles had folding sights, I'm not aware of any you could buy one of except at maybe Numrich. I've seen custom folding sights on handguns too, generally scaled down in size.

I don't think you're referring to military folding sights or AR backup sights?

[LeverGunner]

Thanks. I had forgotten about express sights. But, no I'm not thinking of military sights, but folding rear sights like pictured for leveractions.

I guess I wasn't exactly clear, but my thinking is, have a folding rear sight plus a tang sight on a levergun.