Historian medievalist, Byzantine Studies, Digital Humanities, Byzantine sigillography, Venetian commerce.https://bsky.app/profile/surmaison.bsky.socialhttps://bsky.app/profile/surmaison.bsky.social/post/3mukpfxuzv22xThe SigiDoc Portal in Vienna sigidoc.hypotheses.org/666 https://sigidoc.hypotheses.org/66602 Sep 2026 19:50 +0000at://did:plc:edywh55fyughcciuzjgpvsbc/app.bsky.feed.post/3mukpfxuzv22xhttps://bsky.app/profile/surmaison.bsky.social/post/3m3eivxghk22aFrom the 14th Symposium of Byzantine sigillography (Thessaloniki, 6-8 October 2025) sigidoc.hypotheses.org/505 https://sigidoc.hypotheses.org/50517 Oct 2025 05:08 +0000at://did:plc:edywh55fyughcciuzjgpvsbc/app.bsky.feed.post/3m3eivxghk22ahttps://bsky.app/profile/surmaison.bsky.social/post/3lott63i7r22nThe digitisation campaign of the Byzantine seals of the IFEB collection sigidoc.hypotheses.org/407 https://sigidoc.hypotheses.org/40710 May 2025 20:53 +0000at://did:plc:edywh55fyughcciuzjgpvsbc/app.bsky.feed.post/3lott63i7r22nhttps://bsky.app/profile/surmaison.bsky.social/post/3lm5tya7mvc2sHighlights from the 13th Symposium of Byzantine Sigillography (Cologne, 27-29 March) sigidoc.hypotheses.org/336 @digibyzantine.bsky.social https://sigidoc.hypotheses.org/33606 Apr 2025 16:19 +0000at://did:plc:edywh55fyughcciuzjgpvsbc/app.bsky.feed.post/3lm5tya7mvc2s