Medals, regal, Sweden. Fredrik I, Hild. 72, Fredrik I, white metal medal, 43 mm, 23.62 g. Engraved by Daniel Fehrman, struck to commemorate Crown Prince Adolf Fredrik placing the first stone to the new Stockholm Astronomy Observatory on 26.5.1748. Obv: Portrait of Fredrik I facing right, struck with Riksdaler die. Rev: 7 line text in Latin. Some spots of corrosion on reverse and edge. 1+/01.