Postage stamp from Romania depicting Pavel R. Popovich, issued for the first group space flights Vostok 3 and 4.

---

Size: 3551px × 4600px
Photo credit: © DBI Studio / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., 3, 4, flight, group, pavel, popovich, postage, romania, russian, space, stamp, vostok, vostoks