I get my cop logos from transfer for my female character and the default logos are invisible on a Grey T-Shirt. You will have to trust you did the transfer correctly until after this BEFF.
C1 Outfit: Blue PRB Master Tee (Anime T-Shirts)
C2 Outfit: Your cop logo outfit from transfer
Merge Outfit: Patched Darted Vest or Topless or Navy Smart Jacket
If you have them on an outfit and want to make a C2K:
C1 Outfit: Blue Sprayed Guffy Puffer
C2 Outfit: Your outfit that has the cop logos
Merge Outfit: Patched Darted Vest or Topless or Navy Smart Jacket
This will make your logo invisible. You can trust it & continue with your outfit or
C1 Outfit: Blue PRB Master Tee (Anime T-Shirts)
C2 Outfit: Your cop logo C2K (the logos will be invisible)
This will bring in cop rank 3 but at least you can see it. You will now continue with the C1k Anime T-Shirt appropriate to your outfit