It is known only from a complete skull of unknown provenance, but probably recovered from the Gobi Desert.
Furthermore Neferkasokar's name appears on a steatite cylinder seal of unknown provenance.
Other peoples of unknown provenance are said to have been there at some time by various ancient authors.
Ulmus x hollandica 'Dauvessei' is a very rare cultivar of unknown provenance.
Often abbreviated to "no radio," the slogans, of unknown provenance, spread across town like a double Dutch rhyme.
However, I would advise against booking through online agents of unknown provenance.
One adopted a cat of unknown provenance, probably riddled with dermatophytes.
The papyrus is of unknown provenance, although allegedly from Fayyum.
It is displayed indoors, suspended from the ceiling, with an escape tower of unknown provenance attached.
The Vangiones appear first in history as an ancient Germanic tribe of unknown provenance.