 They were authorised by the Reserve Bank as legitimate issues and were valid for six months from the date of issue, the first currency notes of the Zimbabwean dollar to have a time limit.They carry the signature of the company's finance director Priscilla Mutenbwa and operations director Stephen Newton-Howes.The 2003 bearer cheque series was a series of emergency currency notes of the first dollar which were in circulation between 15 September 2003 and the withdrawal of the first dollar on 21 August 2006.