Silly Mistake

I recently sent off for some of my business cards to be printed. I had unwittingly taken a colleague’s card to be used as an example and forgot to change the fax number on it. So when my new set of cards came back, it was printed with the fax number of his floor instead of mine. I had to keep manually changing the number which made the card less professional looking. In the end, I got new ones printed. An expensive and silly mistake!