They read like this on the back.
Left side of foil
1ml
Sostenon 250
solucion inyectable I.M.
Reg. No. 50064 SSA Hecho en Mexico
Center of foil
Organon design in a circle
Right side of foil
Sostenon 250
Lotte No. Y200005
Fecha de caducidad: 28 AGO 2003
The preload says
in a light red almost pink color
1ml
Sostenon 250
I.M.
Reg. No.50064 SSA
Cap is grey.
If they look like this then you got the real deal! If not sorry!