Here are 4 unused Linprint airmail borders with the logo typically covered when the stamp is applied. The backs are blank. Is there a Linprint design "102"?
(Cover 5) Copyright 1930 by Premier Press of Indianapolis:
(Cover 6) A. C. Roessler airmail border used in 1938 during National Airmail Week:
(Cover 7) "AHS Aero Dedication" by an unknown printer:
(Cover 8) Unknown printer:
(Cover 9) No doubt Ioor's own border, since he printed many cachets:
And the front/back of two barber pole types with non-standard shading lines:
Post edited to add some more here, all without any publisher info:
(Cover 17), blank back side.
(Cover 18), blank back side.