50 Rupees

Pakistan's pre-Partition currency arrangements left the new state temporarily dependent on the Reserve Bank of India — the State Bank of Pakistan only assumed full central banking functions in 1948. By the time this series was designed, the bank had settled into its own visual idiom, though still working within conventions established for the subcontinent's paper money tradition. The P#17 ran across a notably turbulent political window: the Ayub Khan government gave way to Yahya Khan's military administration in 1969, and the series was still in circulation when East Pakistan separated to become Bangladesh in 1971.

The presence of Mahbubur Rashid's signature — rendered in both Urdu and Bengali — reflects the constitutional requirement to acknowledge East Pakistan's linguistic parity, a political concession that became irrelevant almost immediately after.