Dear Felix
You Are Cordially Invited to a Surprise Party Celebrating the Retirement of
[NAME OR RETIREE]
Date: [DATE OF PARTY, ex. Monday July 13, 1998]
Time: [TIME OF PARTY, ex. 1:00 pm Sharp!] (Lunch Will Be Served)
Place: [ADDRESS OF PARTY]
Attire: Casual
RSVP: By [DATE OF RSVP, ex. July 7, 1998]
Regards
Lydia