National Bank of Egypt, obverse archival photograph for 100 piastres, 1 January 1899, black and white, Sphinx at centre, value at centre and corners(Pick unlisted), this design for a 100 piastres clearly evolved into the 50 piastres which was issued in 1899. the size of the note is a little different, but the design elements are all there, including the central Sphinx.
Estimate: £1,000.00 - £1,200.00