_______________ (Name of the Donor),
Date: __/__/____ (Date)
________ (Head of the Department),
________________ (Name of the Agency),
Subject: Appreciation note
Hope this letter finds you in good health. I am writing this letter as a token of appreciation for the donation of _________ (Blood Group) you had given on __________ (Date) at _____________ (Venue).
I appreciate your bravery and kind-heartedness for contributing to the noble cause. I would like to suggest you to take care of your health by eating healthy and keep practicing a good routine.
Hope to see you again, at the donation camp.
____________ (Seal with signature)