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Art Concierge
9:41Certificate of authenticityMariana TofLa pollera amarillaYear2025EditionUniqueMediumAcrylic and soft pastel on compressed cardboard.ProvenanceTransferred · Second collectorAVANT-0000-0000-0000-00009:41Certificate of authenticityMariana TofLa pollera amarillaYear2025EditionUniqueMediumAcrylic and soft pastel on compressed cardboard.ProvenanceTransferred · Second collectorAVANT-0000-0000-0000-0000DetailsCertificateAVANT-0000-0000-0000-0000Dimensions60.5 × 40.5 × 0.5 cmProvenanceTransferred · Second collectorStatusActive — signedVerify this certificate

A certificate that changed hands, as it travels in a phone’s wallet: the work, the artist, its provenance and a code that verifies it. Never the owner, never a price.

second market

Art Auctions & Private Sales

Collectors who acquired through Avant.Dev can open a work to offers. The certificate stays whole, the artist earns a royalty, and the gallery brokers the sale. Nobody’s name is on this page.

  1. An offer reaches the gallery, never the owner
  2. The certificate is transferred, never reissued
  3. The artist earns a royalty on every resale

from the art concierge

Auction house

The second market, brokered by the gallery: offers, private sales and how the market moves.

All of it in the Concierge →
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    Provenance: the little folder that travels with a work

    What is provenance in art? The story of where a work has been, with the papers to show it. What goes in the folder and how to start yours.

  2. Concha de Loco, Dario Phillipi

    Art and taxes: the short, calm version

    Taxes on art in plain words: what shows on the invoice, what happens when a work crosses a border and what to keep if you ever sell it.

  3. Art+Tech Collection '25

    Why a gallery sometimes asks for your ID

    Why an art gallery sometimes asks for an ID when you buy: when it happens, what is asked, what happens to it and what a gallery should never ask.

  4. FAST 2023 © Nicolas Soto

    What is an emerging artist? Definition, the signals that matter, and how to collect one

    An emerging artist is in the first decade of a professional practice, with a body of work, a first gallery and prices that reflect that stage. What the term means, the five signals we read, and how to collect one well.

  5. The End, Gianfranco Foschino

    Where art sells: a short tour of the market

    The art market by region, in a short tour: North America, Europe, Asia-Pacific, Mexico and Latin America, and what it means if you collect from home.

  6. Avant.Dev representará a México en London Art Fair 2026

    Understand the art market: primary, secondary and where prices come from

    The art market is two markets with different rules. How primary and secondary prices are set, what galleries, fairs and auctions each do, and how to read a price.

All of it in the Concierge →