These pieces represent the Indian architectural tradition of decorative portals and niches known as 'mehrab', characterized by richly carved horseshoe arches. Originally, similar structures were architectural elements of temples, palaces, or havelis (traditional mansions) in northern India, dating mainly from the 18th and 19th centuries. The conversion of ancient architectural elements into functional furniture became popular in the antiques market from the 1970s onwards, preserving traditional art while adapting historical pieces for contemporary use. These bookcases are highly valued by collectors of Asian art, interior designers specializing in ethnic décor, and enthusiasts of unique handcrafted furniture. The appeal lies in the combination of modern functionality with exceptional historical craftsmanship, offering a statement piece that serves both as practical furniture and as a sculptural work of art. Collectors particularly appreciate examples with preserved detailed carvings and natural wood patina, which attest to their authenticity and age. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution