The buttocks markings indicate her manufacturing and patent date. This is a well maintained Vintage 54 year old Barbie in excellent condition with a original box that has some wear because it was opened and the plastic has been removed. She does not have a hand tag it is missing. She comes with all original 1966 box, twist and turn Barbie stand , original Barbie Swimsuit, and the original plastic head covering is still present.She has her original 1966 Barbie book as well. I have included some pink Barbie heels that were made to fit the vintage twist and turn dolls. The item "Vintage Barbie 1967 Marlo Flip TNT #1160 All Original Box, Stand, Swimsuit&Book" is in sale since Tuesday, April 21, 2020. This item is in the category "Dolls & Bears\Dolls\Barbie Vintage (Pre-1973)\Mod Era (1967-1973)". The seller is "paulina57chevy" and is located in San Diego, California. This item can be shipped worldwide.