MASSIMO OSTI ARCHIVE SALE VOL. 3 — A DAY WE WON'T FORGET

 28th March 2026. The Exchange, Marylebone, London, UK.

We're still buzzing.

Four years of Known Source means we've learnt not to take days like Saturday for granted. When they come, you hold onto them. We'll be holding onto Vol.3 for a while.

Over 700 collectors, brand lovers and friends turned up to experience the rarest in archive Stone Island, C.P. Company, Left Hand, Boneville and, of course, World Wide Web.

Scroll down to re-live it!

There were queues round the block before we'd even opened the doors. Old heads, new fans, dealers, collectors — all there for the same reason. A shared love for Massimo Osti, and the community that's formed around his work.

That's what the OSTI series is, at its core. Not just an appreciation for the clothing — but the people it draws together. Old friends you haven't seen in too long. Strangers who become family by the end of the afternoon.

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Inside, our dealers had curated something special. Original ice jackets, prototypes, Formula Steels, Millie Miglias, mythical collabs. Pieces that don't surface often.

Watching people handle the pieces, appreciate them, read the labels — then turn to the stranger next to them to share what they'd found. The conversations were beautiful. People sharing knowledge, discussing provenance, pointing each other towards pieces they'd decided to leave. A community doing what communities do best.

The honour of the day — and we don't use that word lightly — was having Lorenzino Piazzi with us.

Lorenzino worked with Massimo Osti for over 18 years, designing many of the very pieces our dealers had brought to sell. To have the man who helped create these garments in the same room as the people who've spent years hunting them down — that's a full circle moment we couldn't have scripted.

He spoke about how the innovations came about. The references, the processes, the obsessions behind some of Osti's most celebrated fabrics. And his own, new, incredible World Wide Collection. Pinch-me stuff, honestly.

The rest of the room was set out like a showroom — because that's what the pieces deserved.

Jacob Walls Studio, a long-term collaborator and friend through 82archivestreet, brought his Osti-inspired heat-reactive furniture — The Hollow Core Bench — into the space. A piece that belonged exactly where it was.

Industrial rails repurposed from our Mayfair HQ framed three dedicated displays, each curated with intention:

The 1983 Isola Di Pietra series, curated by 82archivestreet.

The 1990 Ice Camo set, curated by Tela Fella.

The 1993 Reflective Marina jackets, curated by Tela Fella.

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The day was interspersed with panels and talks.

The first, was hosted by Lorenzino Piazzi, who detailed his previous work, along with the innovations he was bringing forward to his new World Wide Web Collection.

The second, hosted by Matt's Archivio, brought together Tela Fella and 82archivestreet — two of the best dealers archive Osti world.

Watch this space for the full recording.

Sam Palmer spent the day doing something quietly remarkable — giving pieces from his personal collection away to people who'd never had the chance to own them.

None of this happens without The Exchange NW1 family, who have backed us from the start and held the whole day together. Known Source could not have found a more fitting, or more loving, home.

And Sip Slow, who looked after our community like only they know how.

And of course — a massive thanks to our entire dealer community. These events are nothing without you trusting and backing us. It means a lot.

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UNTIL VOL. 4

We started the OSTI series because we believed there was an audience for something more than a sale. A room full of people who care about this clothing — where it came from, who made it, why it still matters.

Vol. 3 proved that audience is growing.

Vol. 4 is coming. But we're not done with this one yet.

Big Love — Henry & Theo