National Trust question

Katykat

Me and OH have just received our NT passes. There is a number printed on each of them which on my OH pass includes numbers that correspond with his DOB. It isn't his actual DOB, just a jumble of numbers that include the numbers of his DOB. I presumed this was a safeguard to make sure that nobody else can use it . However, on my pass, the numbers are completely different and my DOB is not included. Is my OH just a co incidence, or is there a way that anyone looking at the pass can detect my DOB ( like with a driving licence)

fb1969

Just coincidence, have you even given them his date of birth?

We have 3 adults on our membership and the cards all show different numbers, the account is in my name so that is the number they quote on renewals and letters.