Heinrich GUBE (1802–1848) [medal maker] Commemorative medal marking the marriage of Tsarevich Alexander Nikolaevich (the future Emperor Alexander II) to Maria Alexandrovna, Princess of Hesse-Darmstadt, on April 16, 1841. This medal was struck by order of Nicholas I in an edition of 250 copies, which were distributed to members of the imperial family, foreign sovereigns present at the ceremony, heads of accredited diplomatic missions in attendance, ministers, civil servants, and military officers of the highest ranks. Other guests, such as the bridesmaids, received the same medal but in silver, with 900 copies minted. Gold, fineness 88 (22 carats, 916°/°°) Minted at the Saint Petersburg Mint Diameter: 3.5 cm; Net weight: 50.2 g