As we returned to our own Convent, they brought us to Mount Moriah, and ſhewed us the place where Abraham offered up Iſaac, which is in the cuſtody of Nigroes or Æthiopians: to whom each of us payed ten Madins of Braſſe, the common coine of Ieruſalem, for our going in to that place.
Source: wiktionary