This listing features a superb collection of 24 Mint Never Hinged (MNH) Soviet Union (USSR) postage stamps, presented in blocks of four. The collection includes three distinct issues commemorating significant Russian scientific and educational milestones. **1954 Pulkovo Observatory Issue (2 Blocks of 4)** These two blocks of four, each with a face value of 40 kopecks, commemorate the reopening of the Pulkovo Observatory after its restoration in 1954. The design features the iconic observatory building along with portraits of prominent Russian astronomers: F.A. Bredikhin, V.Ya. Struve, and A.A. Belopolsky. (8 stamps total) **1955 Moscow State University 200th Anniversary (New Building) Issue (2 Blocks of 4)** These two blocks of four, each with a face value of 1 ruble, celebrate the 200th anniversary of Moscow State University (1755-1955). The stamps beautifully depict the imposing new main building of the Order of Lenin State University named after M.V. Lomonosov. (8 stamps total) **1955 Moscow State University 200th Anniversary (Old Building & Lomonosov) Issue (2 Blocks of 4)** These two blocks of four, each with a face value of 40 kopecks, also mark the 200th anniversary of Moscow State University (1755-1955). This design features the historic old building of the university alongside a portrait of its founder, the renowned scholar Mikhail Lomonosov. (8 stamps total) All stamps are in Mint Never Hinged (MNH) condition, ensuring their pristine original state without any hinge marks. You will receive exactly what is shown in the image. Note condition of stamp, each is shown in high quality as it appears. Shipping Information: Your order will be handled with care and sent in secure packaging to ensure it arrives in the condition described. Combined shipping is available for multiple purchases.