1929 Postal Union Congress 2.5d Blue (SG 437), Mint

A twopence-halfpenny blue from the 1929 Postal Union Congress issue, mint, loose single. This is a duplicate of the value in the complete PUC low-value set, offered separately. Gum not assessable from a scan. IMPORTANT - PLEASE READ BEFORE BUYING. The identification, condition assessment and valuation in this listing were produced by an AI analysis of scanned images only. No stamp has been examined in hand by a philatelic expert, and no authentication or certification has been carried out. Gum, thins, creases, repairs, re-perforation and cleaned or removed cancels frequently do not show in a scan and have NOT been ruled out. Catalogue (SG) numbers, plate numbers and shade attributions are indicative only and are not guaranteed. Mint stamps are described at mounted-mint level because gum cannot be assessed from an image. ALL PURCHASES ARE MADE ENTIRELY AT THE BUYER'S OWN RISK. Nothing in this listing is a guarantee of authenticity, condition, catalogue attribution or value. Sold as seen. Buyers are strongly advised to satisfy themselves independently and to obtain an expert opinion (BPA or RPSL) before relying on any attribution.