Comparing the cover of Pink Panther #23 to Necronom IV

leading from

HR Giger's art: On The Trail Of The Pink Panther
and
The Pink Panther comic book trail

Pink Panther #23
(December 1974)
Published by Gold Key

a) The presence of a drooping fire hose merging with the Pink Panther's eye as well as the idea of the eye from the profile image of the Golem from a golem image by Hugo Steiner-Prag which appears to have been important for Necronom IV .

b) See also:  HR Giger's Necronom IV references Drawing of the golem for Meyrink's The Golem