Need to know if ive been cheated by authorized agent workshop

[happygu]

Seekers,

What is wrong with yours?

Here is a picture of a new bare head - no engine number - so I don't know how you can tell new from re-worked, as there would be an engine number hand stamped in both cases
Cylinder-Head-for-Nissan-Patrol-Gr-Terrano-Ii-Urban-3-0tdi-Engine-ZD30-[1].jpg