The Seven Voyages of Sindbad the Sailor - Sixth Voyage
On the seashore and at the mouths of the rivers the divers seek for pearls, and in some valleys diamonds are plentiful. After many days I petitioned the king that I might return to my own country, to which he graciously consented. Moreover, he loaded me with rich gifts, and when I went to take leave of him he entrusted me with a royal present and a letter to the Commander of the Faithful, our sovereign lord, saying, "I pray you give these to the Caliph Haroun al Raschid, and assure him of my friendship."
I accepted the charge respectfully, and soon embarked upon the vessel which the king himself had chosen for me. The king's letter was written in blue characters upon a rare and precious skin of yellowish colour, and these were the words of it: "The King of the Indies, before whom walk a thousand elephants, who lives in a palace, of which the roof blazes with a hundred thousand rubies, and whose treasure house contains twenty thousand diamond crowns, to the Caliph Haroun al Raschid sends greeting. Though the offering we present to you is unworthy of your notice, we pray you to accept it as a mark of the esteem and friendship which we cherish for you, and of which we gladly send you this token, and we ask of you a like regard if you deem us worthy of it. Adieu, brother."
The present consisted of a vase carved from a single ruby, six inches high and as thick as my finger; this was filled with the choicest pearls, large, and of perfect shape and lustre; secondly, a huge snake skin, with scales as large as a sequin, which would preserve from sickness those who slept upon it. Then quantities of aloes wood, camphor, and pistachio-nuts; and lastly, a beautiful slave girl, whose robes glittered with precious stones.
After a long and prosperous voyage we landed at Balsora, and I made haste to reach Bagdad, and taking the king's letter I presented myself at the palace gate, followed by the beautiful slave, and various members of my own family, bearing the treasure.
As soon as I had declared my errand I was conducted into the presence of the Caliph, to whom, after I had made my obeisance, I gave the letter and the king's gift, and when he had examined them he demanded of me whether the Prince of Serendib was really as rich and powerful as he claimed to be.