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Who We Are:
Harmonia Gallery is a London-based independent gallery dedicated to Pop Art and modern masters.
We specialize in rare museum exhibition posters.
Curated with the same care as any artwork.
We curate and resell exhibition posters sourced in limited runs from museums, galleries and private collections.
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What We Sell:
These are authentic exhibition and after-market posters printed for shows, galleries, or cultural events. Not mass reproductions, but collectible posters that capture the essence of the original artwork.
Bring home an affordable piece of art, printed on premium, fade-resistant paper that endures beautifully over time.
Our Quality Standards:
We only acquire and resell posters that respect museum-level criteria, such as:
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Premium paper stock (never below 250gsm)
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Acid-free, pH-neutral surfaces to prevent yellowing over time
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Sharp, high-definition printing that preserves the details of the original artwork
These standards allow us to ensure that each piece is not only beautiful today but also retains its quality as the years pass.
Certificate Of Authenticity
Each poster purchased through Harmonia Gallery is accompanied by our Certificate of Authenticity.
This document confirms that the piece meets our gallery’s quality requirements, and recognizes its collectible and decorative value.
It is our seal of trust , a guarantee that you are acquiring a poster carefully selected and curated by an art gallery, not a generic print.
Why Collectors Trust Us
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Curated from exhibitions & private collections.
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Museum-quality paper & printing.
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Secure tracked shipping worldwide.
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Simple authenticity certificate with every poster.
Artists Strip
 Andy Warhol |  Lichtenstein |  Hockney |
|---|---|---|
 Dutesco |  Keith Haring |  Wesselmann |
Our Promise to You:
Tracked Shipping Worldwide
Museum Prints Quality
Exhibitions and collectors sourced
Roy Lichtenstein
Alexa Young, CA
Bought a Wessellman poster for my boyfriend’s birthday he’s an artist himself. He said it was the best gift he’d had in years.
Morgan James, NY
Just redecorated my studio flat and the Warhol Queen Elizabeth now hangs above my desk. Makes the space feel classy without being pretentious
Lisa Driver, MI
Ordered a Keith Haring print while traveling for work, it was waiting at home when I returned. Perfect surprise for myself."
Andy Warhol
David Hockney
Collectors FAQ
Q-Are these posters original artworks?
A-They are collectible exhibition posters, not original canvases.
Q-Where do they come from?
A-Exhibitions, galleries, private collectors.
Q-How long does shipping take?
A- 5–7 days tracked delivery worldwide.
Q-Do posters come framed?
A-They are shipped unframed, rolled safely in tubes.
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