This 2 para green stamp from the Ottoman Empire features an intricate depiction of the Dolmabahçe Palace in Constantinople (modern-day Istanbul), framed by ornate Arabic script and Ottoman motifs. At the top is the Tughra, the imperial monogram of Sultan Mehmed V, symbolizing royal authority. Issued in the early 20th century, this definitive design highlights Ottoman architectural grandeur and craftsmanship through detailed engraving. A prized piece among collectors of Middle Eastern philately and early Turkish postal history.