5 fonts:
Anca Basic.ttf (no problem here)
Anca Medium.ttf
Anca Marker1.ttf (recognized erroneously as Medium)
Anca Marker2.ttf "
Anca Marker3.ttf "
However after I install one of these four I cannot install another,
because each Anca MarkerX.ttf file appearantly contains Anka Medium
So... I edited the files with Fontforge and changed Medium to Light (for instance) everywere, even in the Penose listing.
Yet, system still says that each files contains Medium (which is simply not true - all files are different :-)
In this window (and subsequent tabs) I guess I omitted all MEDIUMS...
But I have solved this
1) convert the font to SVG
2) SVG can be edited since it is plain text (and nerds love this)
3) convert back to ttf/otf
But fontforge let me down :-(