National Bank of Libya, specimen £5, 1955, serial number B/3 000000, black SPECIMEN overprint and perforations, specimen number 119, first prefix for type, uncirculated, much scarcer variety with altered text
BNB B303as2, Pick 21s £200-£260

See the website to view detailed images of this variety including a comparison. The text before date has additional spaces that the issued notes and many other specimens do not have.