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yellow tissue paper; colored pencil on lavender envelope with postmark and five postage stamps

gold pencil on red paper

gold pencil on black paper; colored pencil on pink envelope with postmark and postage stamp

gold pencil on red paper

ink on color photographic postcard; ink on white envelope with postmark and six postage stamps

red ink on color postcard

gold pencil on red tissue paper, two sheets; graphite on yellow envelope with postmark and postage stamp

magenta ink on color postcards, three sheets

red ink on color postcard, with postmark and postage stamp

inscription on gold leaf on thirty-six sheets; colored pencil on lavender envelope with postmark and five postage stamps

red ink on white paper with printed black dots, nineteen sheets; red ink on pink envelope with postmark and two postage stamps

gold pencil on red circular paper, two sheets; colored pencil on black envelope with postmark and three postage stamps

ink on three color photographic postcards; ink on pink envelope with postmark, airmail stamp and four postage stamps

red ink on color postcard

red ink on color postcard, with postmark and two postage stamps

gold pencil on red paper, red paper, ink on white paper, two sheets, and two pearl beads

red ink on Post-it®note; black ink on white paper, two-sided; offset printing on white paper with black cover, staple-bound; red ink on pink envelope with postage stamp

color transparency

black-and-white photograph

color offset printing on paper; typewritten text on envelope and metered stamp

graphite on white paper

typewritten text and ink on The White House stationery; and envelope with postmark and postage stamp

typewritten text, ball point pen, and stamp mark in black ink on stationery

red ink on business card, with photocopy and adhesive tape, two pages

Silver pencil and red paint on paper

White pencil on white paper, red string

color offset printing on paper, two-sided; red ink, typewritten text on offset printed label on envelope with stamp marks in black ink with metered postage stamp

graphite on eighty-six leaves, with blue ink and graphite on envelope with stamp marks in black and red ink with postmark and three postage stamps, two-sided

typewritten text and blue ink on stationery, two pages

gold offset printing on black tissue paper, with gold ink on black paper with postmark and postage stamp

graphite on red tissue paper

ink on pink paper, three sheets; ink on purple paper, three sheets; ink on envelope with airmail stamp, postmark, and postage stamp

ink on verso of black-and-white photograph with airmail stamp, postmark, and two postage stamps

gold tissue paper; with postmark, airmail stamp, and four postage stamps

gold pencil on red paper with red tape, nine semi-circles at left edge

gold pencil on red paper with adhesive

graphite on Japanese paper

colored pencil on black tissue paper

black ink on paper, two pages; envelope with postmark and postage stamp

gold pencil on red paper

black ink on Galerie Michael Werner stationery, three pages; ink on envelope with airmail stamp, postmark and three postage stamps; ink on paper enclosure

ink on stationery; ink on paper; ink on silver leaf, four pages; black tissue paper; ink on envelope with postmark and postage stamp

graphite on paper, three sheets; ink on envelope with airmail stamp, postmark, and two postage stamps

ink on verso of metallic paper; ink on pink envelope with postmark and postage stamp

black ballpoint on paper; ballpoint pen on pink envelope with postmark and postage stamp

gold pencil on red paper

ink on paper

ink on paper, two-sided, eight sheets; ink on pink envelope with postmark and stamp

graphite on paper; pink yarn; ink on pink envelope with postmark and postage stamp

ink on cardboard, with airmail stamp, postmark and postage stamp, two-sided

ink on Galerie Michael Werner stationery, three pages; ink on envelope with airmail stamp, postmark, and three postage stamps

ink on Harvard University Busch-Reisinger Museum stationery; ink on envelope with airmail stamp, postmark, and four postage stamps

ink on verso of color photograph with two airmail stamps, postmark, and two postage stamps

ink on paper

graphite on paper, sixteen sheets; typewritten text on sticker on cardboard mailer fragment with airmail stamp, postmark, and two postage stamps

ink on color postcard; ink on envelope with airmail stamp, postmark and two postage stamps

ink on black-and-white postcard; ink on envelope with postmark and postage stamp

ink, typewritten text on paper, two sheets; ink on pink envelope with postmark and postage stamp

handwritten text on metallic paper, twelve pages; ink on envelope with airmail stamp, postmark, and five postage stamps

ink on Galerie Michael Werner stationery; ink on envelope with postmark and four postage stamps

gold pencil on black tissue paper, two sheets; with eight maple seed pods painted gold

graphite and ink on paper, two sheets; ink on envelope with airmail stamp, postmark, and postage stamp

ink on metal leaf, seven pages; ink on tissue paper; ink on envelope with airmail stamp, postmark, and three postage stamps

ink on color postcard with airmail stamp, postmark, and one postage stamp

ink on gold metallic paper, two sheets; ballpoint pen on gold leaf, eight sheets; ink on envelope with airmail stamp, postmark, and postage stamp

ink on tissue paper, seven pages; ink on envelope with airmail stamp, postmark, and two postage stamps

ink on paper; ink on pink envelope with airmail stamp, postmark and three postage stamps

ink on offset printing, two-sided

graphite on metallic paper, with ink on color postcard with stamp mark in blue ink; ink on envelope with airmail stamp , postmark, and one postage stamp

ink on blue tissue paper, two pages; two folded blue tissue paper packets; ink on orange envelope with postmark and postage stamp

ink on offset printing, two-sided; graphite and ink on Galerie Michael Werner stationery; graphite and typewritten text on paper, two-sided; ink on envelope with airmail stamp, postmark, and four postage stamps

ink on paper with stamp mark in black ink, postmark and postage stamp, two-sided

colored pencil on paper with gold leaf; ink on envelope with airmail stamp, postmark and postage stamp

ink on color greeting card, with two color photographs; ink on envelope with postmark and postage stamp

orange pencil on offset lithograph, two-sided

typewritten text and ink on Museum of Contemporary Art stationery

typewritten text on Sperone Westwater Fischer stationery, with ink on brown enveloped with stamp mark in red ink, postmarks, and three postage stamps

black offset print on white paper

photocopy on pink paper

ink on color postcard with airmail stamp, postmark and postage stamp

blue ink and correction fluid on black-and-white photograph, with postmark and stamp

ink on color postcard with airmail stamp, postmark and postage stamp

ink on black-and-white postcard with airmail stamp, postmark and postage stamp

color postcard with postmark

ink on color postcard with airmail stamp, postmark and two postage stamps

ink on color postcard with postmark and two postage stamps

ballpoint pen on color postcard with airmail stamp, postmark, and postage stamp

ink on color postcard, with airmail stamp, postmark and postage stamp

ink on color postcard with airmail stamp, postmark and two postage stamps

ink on color postcard with postmark and postage stamp

ink on black-and-white postcard with airmail stamp, postmark and postage stamp

ink on color postcard with postmark and two postage stamps

ink on color postcard, with postmark and postage stamp, two-sided

ink on color postcard

ink on black-and-white postcard with postmark and postage stamp

ink on color postcard, with airmail stamp, postmark and postage stamp

ink on color postcard with airmail stamp and three postage stamps

ink on black-and-white postcard with airmail stamp, postmark, and postage stamp

ink on color postcard with airmail stamp, postmark and postage stamp

ink on color postcard with airmail stamp, postmark and two postage stamps