https://john-rice-stamps.co.uk/product/portugal/1940-portugal-centenary-of-first-adhesive-postage-stamp-mini-sheet-sg-ms928a-um-mnh/
1940 Portugal - Centenary of First Adhesive postage Stamp Mini Sheet SG.MS928a u/m (MNH) - John...
Sep 1, 2026 - 1940 Portugal Centenary of First Adhesive postage Stamp Mini Sheet SG.MS928a u/m (MNH)
adhesive postage stampportugalcentenaryfirstmini