My Fault

I sent this envelope to Catherine France a year ago: on 25 November 2021. It contained a letter and a Christmas card, but never reached its destination. 

Ten months latter, on 23 September 2022, it landed in my mailbox. Only then I realised that I had made a big mistake: I had written the name of the street and the country... But not the town neither the post code! 

(I cannot show you the evidence, because I do not want to display the recipient's address on the blog.)