Although Sweden certainly doesn't seem like a faraway or unusual country, this is only the second card from Sweden in my collection! The first card being rather unlovely, I was quite happy to receive this one. It shows the Södermalm district of central Stockholm.
Both stamps are permanent rate, first class mail stamps. The one on the left features an acorn (could not find more info), and the one on the right features King Carl Gustaf XVI, who is a familiar face from Nobel Prize ceremonies, where he personally hands out the awards.