Unknown MC runout etching from (I think) an Astor Custom Pressing

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Revisiting one of my earlier submissions to add the runout etchings on this release :
Swiss Yodel Choir Matterhorn, Melbourne* And Laendler Kappelle Matterhorn, Melbourne* - Swiss Folklore Abroad
My understanding is that Frank Hulbert who's etching is on Side 2, worked at Astor Records.
I wonder if somebody may be able to identify the MC etching on Side 1?
It does not seem to be covered on either of these forum pages:
https://discogs.descargarpelis.net/group/thread/809350
I have ed a photo of the MC etching to that submission page.
Thanks in advance!