Since we all know that Gabby is TM 46 with them Sonali face mold, I wanted to focus on doll face molds and subtle differences I have noticed.
Addy has one face mold, but lately my dolls with Addy face molds look different from one another.
TM 31 and MyAG 50 look different, but same face molds. MyAG eyes look bigger and seem to face you straight on. TM31 her eyes seem smaller and look down turned. Noses look different too and the vinyl on My AG 50 catches more of these light in the room on her face than TM 31. They are the same in color, but 50 seems to glow. Pleasant Company JLY 18 has an Addy face mold, but looks different than the other two. Darker vinyl and features in the face are more defined.
This makes me feel 100% confident that Gabby may have slight variations in her face mold as well that may be different from most TM46. Hope this helps.