We know of only one O.T. Frasch image in the range from 390 to 399. It has his imprint on the back but the caption on the front is in a different style of writing than Otto's usual script. It shows the completed Smith Tower, so the photo was taken in 1914 or later. We don't know who took the photo or wrote the caption.
396 - Pioneer Square Seattle Wn.A selected image from the range 390-399: