[{"text_idx": "#000001", "text": "2. weight class letter 21-40 g total 37,50 mk: 22,5 mk letter abroad + 15 mk registering. Note shifted perforation of viking ship stamps."}, {"text_idx": "#000004", "text": "1941 postcard, 6pf without \u201cOstland\u201d overprint, Tallinn"}, {"text_idx": "#000005", "text": "18th century envelope to businessman Schmidt, Pernau/Pa\u0308rnu"}, {"text_idx": "#000007", "text": "Estonia 1991 and newer (2)"}]