I know 'Push Push' was released on Quad 8 through Ampex, but this one looks suspicious, especially with the 'stereo playable on mono' label. 4-track, maybe?
http://www.ebay.com/itm/Herbie-Mann-Push-Push-8-Track-Tape-Quadraphonic-Q8-Quad-Stereo-Jazz-/272127507711?hash=item3f5c103cff:g:H5MAAOSwezVWt-XK
http://www.ebay.com/itm/Herbie-Mann-Push-Push-8-Track-Tape-Quadraphonic-Q8-Quad-Stereo-Jazz-/272127507711?hash=item3f5c103cff:g:H5MAAOSwezVWt-XK