He sold 1 scoop of grain for 1 fal, although the bag was worth 2 coins.
Hayyam will be constantly pacing annoyed by Hayyam's fishes. The only way to talk to him is solving Hayyam's problem first.
The inscription above Ali's shop says Horreum (barn) in Latin.
A cursive graffiti right below the inscription says שולשול "shulshul" in Hebrew which probably stands for שלשול "shilshul" (diarrhea). This word appears also elsewhere in the Street of David.