Watch List notes:

Bahrain Monetary Agency SPECIMEN Set Authorisation 23 1973 Half, One, Five, and Ten as Pick 7,8,9 10 serial numbers 000000 and with SPECIMEN in red across both sides Unc and rare and unlisted in Pick, obtained by the vendor whilst living in the Middle East in the 1970s from the Central Bank

Estimate: 1000-3000 GBP