This opera house, now known as Staatsoper Unter den Linden, was destroyed not once, not twice, but three times, only to emerge each time like a phoenix from the ashes. The original building was inaugurated in 1742 and burned down 100 years later. The reconstructed building was inaugurated in 1844. The opera house was bombed in 1941, but managed to reopen in 1942. A more severe bombing in 1945 resulted in ten-year rebuilding time.
After 1961and the Berlin Wall, the opera house was a bit isolated over on the east side. I went to see an opera here in 1981 when the wall was still up. The street was oddly quiet and there was something eery about the surroundings in general. Since the reunification, this street is once again vibrant and lively.
Josef Lehmkuhl in 2005.
And here's the back of the card, printed on the strange blue card stock.