Toc teens era pedals

[Xcelsior]

Looking for info on these early rat trap pedals. Track ? Ladies? Smaller size cast with internal shafts. Non capped ends.

 

[hellobuddy]

interested in for sale

 

[ejlwheels]

I have this one which appears to me to be pretty much the same design, possibly a grown up version.
I have not identified it yet.

 

[removed]

View attachment 739323 View attachment 739324 View attachment 739325 Looking for info on these early rat trap pedals. Track ? Ladies? Smaller size cast with internal shafts. Non capped ends.

1/2" shaft?