Duplex cancellations in Europe   Dan N. DOBRESCU - Duplex postmarks in Romania, applied manually (1888 - 1914)   Dan N. DOBRESCU - Cachets DAGUIN en Roumanie 1890 - 1909, AXA, 2007     DAGUIN machine   Wikipedia - DAGUIN machine     Dan N. DOBRESCU - DAGUIN cancellations in Romania   Dan N. DOBRESCU - Les oblitérations duplex en Europe       BUCURESCI DAGUIN cancellations (1890 - 1903)   Countryside DAGUIN cancellations (1893 - 1904)     Stephan JURGENS - Machine Bollatrice dalle officino Enrico Dani di Firenze   DAGUIN cancellations in MONACO     DAGUIN cancellations in France   DAGUIN cancellations in Bulgaria       Postal history: DAGUIN cancellations in Europe   Dan N. DOBRESCU - Romanian DAGUIN cancellations (1890 - 1909)