vintage Soviet-era Bb trumpet (or cornet) It was manufactured in 1978 by the Leningrad Musical Instrument Factory (Ленинградский завод музыкальных инструментов) in the USSR.
Decoding the Bell Engravings & Markings
- The Logo (Triangle with "Л"): The stylized emblem inside the circle features a stylized, sharp triangle containing a prominent Cyrillic letter "Л" (L). This is the official Soviet trademark stamp of the Leningrad factory, representing the city's namesake.
- The Model Code: The stamped text line directly below the logo reads "№ 73Р" (or 73P in Western characters). This denotes the specific factory technical blueprint pattern or batch design series registered under the state production catalog.
- The Production Date & Serial: The bottom row features a long serial run: "№ 2514-78". In Soviet manufacturing, the hyphenated two-digit suffix at the absolute end of the serial block identifies the exact year the instrument passed its state quality control assessment—making this a 1978 build