Not exactly a neutral viewpoint given the body represented?Gender identity as a term was possibly popularised in the 60’s but it has been around for a lot, lot, longer than that. See below;
“Although contemporary culture likes to position gender non-conforming people as a new phenomenon, history shows otherwise. Anthropologists have long documented cultures around the world that acknowledge more than two genders. There are examples going back 3,000 years to the Iron Age, and even further back to the Copper Age“.
Exploring the history of gender expression
Guest writer Ianna Urquhart shares a multifaceted perspective of how society’s ideas around gender expression have transformed over time — from the Iron Age to our present understanding.link.ucop.edu
eg:
Pacific Islands
Long before Cook’s arrival in Hawaii, a multiple-gender tradition existed among the Kanaka Maoli indigenous society. The mahu referred to biological males or females who inhabited a gender role somewhere between, or encompassing both, the masculine and feminine. They held a sacred social role as educators and promulgators of ancient traditions and rituals.
Fa’afafine are people who identify themselves as a third-gender in Samoa, American Samoa and the Samoan diaspora. A recognized gender identity/gender role since at least the early 20th century in Samoan society — and some theorize an integral part of traditional Samoan culture — fa’afafine are male at birth and explicitly embody both masculine and feminine gender traits, fashioned in a way unique to this part of the world.