Government Congratulation messagefor 50th wedding Anniversary Does the Prime Minister send a certificate for a 50th wedding anniversary?

No- 50th wedding anniversaries are so common that they aren't regarded as achievement enough to warrant special official recognition.

It used to be the case that The Queen sent a congratulatory telegram to persons on their 100th birthday, but this has now been discontinued as more and more people are living so much longer, even reaching 100 is no longer as rare as it used to be!