Looks to be about a size 9-10. Wig cap is torn in places, and hair is matted and needs to be washed and styled, but it does appear to be a pretty thick!
Vintage Saran Wig Brown Braids For Doll Head Circumference Approx 27cm
Vintage Porcelain Bisque Doll Legs 6.5" Replacement Parts for Doll Making
Vintage Barbie Replacement Fish Tank Aquarium For Doll House Accessory Only
Vintage 1976 Sindy Doll Red Moulded Armchair Chair Only Replacement
Vintage Barbie Replacement Keyboard For Doll Only Spare Part
Vintage Barbie Replacement Cash Register Shop Counter Silver Spare Part Only