[Your letterhead, if desired; if not, your return address]
[Date of letter-month, day, and year]
[Recipient's first and last names]
[Company name]
[Street or P.O. box address]
[City, State ZIP code]
Dear [recipient's name]:
We want to take a moment today to send best wishes to both of you from our entire family, as you celebrate this important milestone of your 25th wedding anniversary! You have really enjoyed a blessed marriage, as you have experienced so many happy times with each other and with your three children.
We are truly looking forward to enjoying the big anniversary celebration with you, your children, and many other friends next week. We know it will be a happy time for all of us. Again, best wishes from our entire family for a very Happy Anniversary!
Sincerely,
[Signature]
[Sender's first and last names]