C47

C47 or C-47 may be:

• Douglas C-47 Skytrain, a military designation of the Douglas DC-3
• Caldwell 47 (NGC 6934), a globular cluster in the constellation Delphinus

and also :

• a clothespin used in film
• One of the ECO (Encyclopaedia of Chess Openings) codes for the Four Knights Opening in chess
• Malignant neoplasm of peripheral nerves and autonomic nervous system ICD-10 code
• An abbreviation of the popular video game from 2000; Hitman: Codename 47

https://en.wikipedia.org/wiki/C47