This illustrated postcard represents Khalid ibn al-Walid and Muslim conquests. "He was a companion of the Islamic prophet Muhammad. He was from a clan that initially opposed and fought against Muhammad, but after a treaty was reached, he converted to Islam, and joined Muhammad. He is noted for his military tactics and prowess. ... It was under his military leadership that Arabia, for the first time in history, was united under a single political entity, the Caliphate." (Thanks to Wikipedia for this biographical information.) With the turrets and domes in the background, this illustration could be representative of Khalid's leadership in the Arab–Byzantine wars. I'm not positive about. In fact, this card is overall a mystery to me, especially since I can't read Arabic. But, the symbolism of the bird and the serpent combined with the man on his horse with sword drawn makes for a powerful image. It's interesting to note that this card was printed in France as we can tell from the "modele depose" verso. As to the date/age of this card, I can't be more specific than to say it is vintage and it is rare. The card is about 3.5 by 5.5 inches. It is rich with metallic gold overprinting. There is a light crease visible verso through the Arabic writing at top. This crease is not visible on the front of the card (where the blue bird is swooping down).