MILITATED

Never had much of an issue with them, had my card blocked twice I think but once was a genuine fraud 

They do seem to send me replacement cards a lot without me asking or needing renewal so I have to  change my details on everything

I had just learned the card number too  Well, time to forget all that I suppose. Bet they'll block this card as soon as I try to order the optic again 

Happened to me with Nationwide when I was away on holiday and again when I was buying a car. I rang them, explained what the transactions were and they were unblocked - I also explained that I was going to continue with those types of transactions - after which it hasn't happened again. May be worth a further conversation with them?