Yellow parchment paper (which you can find at your local craft store)
Using the Lumos font, write your party invitations. Use Minerva McGonagall's signature at the bottom of the letter (just right click and save the image below), just like in Philosopher's Stone/Sorcerer's Stone Here is an example:
OF WITCHCRAFT AND WIZARDRY
Headmaster: Albus Dumbledore
(Order of Merlin, First Class, Grand Sorc., Chf. Warlock, Supreme Mugwump, International confed. of Wizards)
We are pleased to inform you that you are invited to [reason for party], a Very Magical Sleepover [the name the author chose for her party]!
The party will be at [location], [location address]. It will take place [day, date & time]
Please bring your sleeping bag, pillow, pjs, toiletries, and any other Muggle items you may need. Student Uniforms will be provided.
We await your owl by no later than [RSVP date] (or you can call [name, phone and/or email]).
Minerva Mc Gonagall,
Be sure to include party time, location, and what to bring (if it's a sleepover, etc) and where to send reply “by owl” (email, phone number, etc.)
Print your letters on the parchment paper using emerald green ink.
© Jennifer Ofenstein (ofenjen)'s pattern was taken with permission from sewhooked.org