Easy Skulls: 43
These skulls are either lying on the in-bounds ground, on top of the fence, or on top of buyable sign board.

Medium Skulls:
These skulls on lying in clear sight, within a few feet/meters, on the out-of-bounds ground.
List order goes from spawn to PAP
1. Right side of spawn
2. Left of brazen bull perk machine
3. Left of Rack9 wallbuy
4. Behind Bandolier Bandit
5. Left of spawn window with seal plushie on top
6. Across from Mx9
7. Right of Jugg
8. Across Hauer
9. Across M16
10. Right of M16
11. Up the hill, left of Fara 83
12. Left of KSP 45
13. Down the hill, left of Ppsh41
14. Up the hill, left of first wooden ramp
15. Across Fara-83

Hard Skulls:
Tricky tricky
1. Top of chimney of graffiti house in spawn
2. ??? Across M60?? I was randomly shooting the war machine and hit something. I think it was near the M60 but I'm not sure...

If anybody can confirm last skull, that all 60!