In appreciation.

The same. Appreciation. I have appreciation, we have appreciation, etc

Women's Appreciation! Season 3 Episode 21.

Phyllis gets flashed in the parking lot and Pam makes a wanted poster for who did it, but she just draws Dwight with a mustache.

Both are appropriate under different circumstances: "Appreciation for" indicates a love, an understanding, a feeling. He has a great appreciation for impressionist art. "Appreciation of" indicates a thankfulness, an acknowledgment. It was awarded in appreciation of his service to the organization.

The appreciation of dance.