Aiwass spoke to Crowley firstly through Rose for 2 weeks before Crowley heard Aiwass himself.
Although Crowley did not see Aiwass physically during the dictation, he did receive a strong mental impression of him. Crowley described Aiwass as having:
“. . . a body of “fine matter”or astral matter, transparent as a veil of gauze or a cloud of incense-smoke. He seemed to be a tall, dark man in his thirties, well-knit, active and strong, with the face of a savage king, and eyes veiled lest their gaze should destroy what they saw.”
Crowley also said that Aiwass appeared to be dressed in Assyrian or Persian garb.
Whereas this is Lam:
