RUSSIA. Bronze medal 1839 by H. Gube. At the opening of the observatory in Pulkovo near St. Petersburg, vs.: bust n. r., Rs.: view of the Observatory, around zodiac signs and stars, Dm. 65.5 mm. 134.66 g. Marginal error, kl. Scratches, ss-vz. ex Coll. Dr. Victor Wishnevsky; acquired by Baldwin's in October 1996 (collector's note)