Anonymous ID: 597e47 March 7, 2019, 3:57 p.m. No.5564732   🗄️.is 🔗kun   >>4924

>>5424113

>Rudolf Koch is not on the right track.

This symbol appears in the book listed here.

What you have listed is not the orginal symbol it seems but I very crafty way they have memory-holed the actual symbol. See images.