It is dificult to say what the value of the 1st Barbie doll with a screw holding the head on is. You cannot place a value on an item without being able to see the condition. Whether or not you have the box will also impact value. A Barbie in the box will be worth more.
There isn't a doll named 20th anniversary Barbie. The first anniversary-type dolls were Sweet 16 Barbie in 1974 and the 1989 SuperStar Barbie.
I think you are asking about one of the My First Barbie ballerina dolls.
barbie
What is the value of 2001 Angelic Harmony Barbie Doll
The Barbie doll was designed in 1958 and first sold in 1959. So there were no Barbie dolls for sale in 1958.
NbA barbie Cavs
the barbie is worth about 100 dollars minimum
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$ 500
The value of Barbie Talking Dentist doll is $15. The doll is in the original unopened box
The official Barbie website uses #EA4498 on many of its graphics.
its a value