Post-it note with handwritten message in blue ink. Written in Hebrew, the note contains an adaptation of the biblical verse in 1 Samuel 15:29. Translated into English, the message reads: "The Glory of Judah does not deceive or change His mind..." Color bleeding due to exposure to the elements at the Wilkins memorial.

Typed copy of Professor Marc Brettler's address to his students at Duke University the Tuesday following the October 27 attack. This address was delivered by two people from Durham, North Carolina: Francis and Joanna [last names redacted].

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a bird feather with floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Card with illustrated sunflower. Inscribed in ink with the following message: "Hate cannot break our Steel City." Signed: "equal [=] love [heart] Star of David."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a heart with floral and geometric motifs. The back contains a handwritten note, a hand drawn illustration of a rainbow, and the stock signature: "From your friends at West Allegheny Middle School."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Keep Going" surrounded by arrows, stars, and other faunal motifs. Handwritten notes of affirmation appears in the four corners. The back features an additional handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Happy Thoughts" surrounded by flowers. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School" on a sticker.

Typed Hebrew letter from a student at Hebrew Academy, a private Jewish day school in Montreal, Quebec. Translated into English, the letter reads: "Dear Rabbi from the Tree of Life Congregation, My name is Hannah [last name redacted]. I am a student at Hebrew Academy of Montreal. I am truly sorry about what happened to your holy synagogue. I hope that this will not happen again. I give [?] all your family and loved ones of your synagogue."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a turtle with floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

White posterboard with handwritten message in colored marker. The poster features a quote from 1 Peter 4:8, reading: "Continue to show deep love for each other." The word "love" is embellished with over a dozen hearts. The word, "Trump" has been crossed out on the upper left corner on the reverse.

Folded card with marker illustration. Cover features illustration of tree with ladder. Interior reads, "We are with you at this sorrowful time. The Beth Chai Congregation of Greater Washington." Back cover reads "I hope you feel better. P.S. We will donate $ to you" with two five-pointed stars.

Handwritten note written in black ink on white paper with the full names of the eleven victims of the October 27 attack. Navy blue line appears on the upper edge on the back. Creasing and staining due to exposure to the elements at the Wilkins memorial.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear friends at Tree of Life, We have been so saddened by what has happened. Our hearts break for you. We want you to know we may be far away, but we hold you close in our prayers. You are our brothers and sisters. We are with you. Sincerely, Cara [last name redacted] Pt. Loma Presbyterian Church."

Sand-colored poster with handwritten message in blue crayon, reading: "Chashmonayim, Israel Stands with Pittsburgh." Staining due to exposure to the elements at the Wilkins memorial.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "Dear Tree of Life members, I'm sorry for all of the uncalled for events and all of the inconvenience of them. We hope you all feel better and don't worry but keep them in mind. Sincerely, Michaela [last name redacted] from Holy Angels CCD."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote attributed to O.G. Mandino: "Failure will never overtake me if my determination to succeed is strong enough." Illustrated with the image of two stick figures, labeled "strength" and "failure" respectively standing on either side of a wall. The inside reads: "Dear Congregation of the Tree of Life, I am sorry for what happened and I hope everything gets better.

Card made by a student from the George Washington University Hillel. The card features a Star of David and reads: "To the Pittsburgh community, We are a city built on steel and kindness and held up by a thriving Jewish community. I miss my home, my city so much right now, but I know that you are strong. I send all my love."

Basket of synthetic flowers with pink bow. Basket and bow have water damage.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a flower with geometric motifs. The back contains a handwritten note, as well as a partial stock signature: "From your friends at West Allegheny Middle School."