Photo engraving "Teilnehmer des Kongresses des Weltpostvereins in Wien 1891" (Participants of the Congress of the Universal Postal Union in Vienna in 1891)

The image shows photographs of the participants at the International Postal Congress in Vienna in 1891, each with the country and name indicated. The photographs are glued to the lithograph, which forms the ornamental frame with postal scenes from Vienna (the postal ship, railway, Congress building, parcel trolley, postillon representation, and items shipped overseas).