Comparison of the observed (black, solid line) to synthetic (red, dotted line) spectrum of Wd1-5. Illustrative spectra of selected, closely related early-B hypergiants and WNVLh stars are also shown (with BP Cru and Wd1-13 overplotted in dashed cyan and green lines, respectively, to save space). Spectra of Wd1-13 and 44 were not available in the 5600−6000 Å window, while data on ζ¹ Sco and BP Cru were from Clark et al. (2012) and Kaper et al. (2006). Both Wd1-13 and -44 are SB2 binaries, although a precise spectral classification of their secondaries is uncertain at this time.