ALLZS, Wow look at this rear harness on Facebook.
Link
https://www.facebook.com/photo?fbid=...71228623122319
Your Sample has, as does this removed rear the Plastic tape AND the Mesh. I reworked my 69 Pacers rear years ago and do not recall the Mesh. I know of no exact-reproduction tape out there at this time. I will peruse the 3M web site, It Certainly WAS not adhesive coated on BOTH sides.