Hi Listers, I've recently obtained my grandparents birth certificates and underneath the address of birth on both of them are the letters UD. Can anyone tell me what these letters mean? Regards Paul --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.144 / Virus Database: 68 - Release Date: 26/04/00