Is the shape of the Bell X-1 wing on Virgin Galactic's VSS Unity's artwork correct?
According to this NACA (now NASA) Technical Report [Wing Loads on the Bell X-1 Research Airplane (10 Percent Thick Wing) as Determined by Pressure-distribution Measurements in Flight at Subsonic and Transonic Speeds], the wings look a bit different to the one used by Virgin.


But there might be different versions of the wing, since there were multiple versions of the X-1.

The wikipedia article shows yet another wing geometry.



Below is a composition of 3 different drawings I found via google, which show that at least there exist various different drawings of the wing