The card shows the National History Museum of Moldova, a museum in Chişinău, the capital city of Moldova. Over 263,000 exhibits, 165000 of which belong to the national heritage, are exhibited in the National Museum of History, founded in 1983 on the former Regional Lyceum. It is situated on 121a, 31 August 1989 str., in the historical center of Chişinău.
The stamp is very pretty, but unfortunately I couldn't find any info regarding it. It would seem to be related to the National Museum of Ethnography and Natural History, the oldest museum in Moldova, though.