The intricate design of black basalt stone has been etched in my mind since childhood, thanks to the Taka 5 banknote. Its obverse once featured the Mihrab (prayer niche) of the historic Kusumba Mosque—an image first printed on one of Bangladesh’s smallest denominations in the late 1970s. Decades later, in 2011, the full image of this 16th-century architectural masterpiece graced the reverse of... Details