This spacecraft is advertised as Venera-3 (a 3MV-3), but the markings identify it as a 3MV-1, making it a backup for Zond-1.
Zond-1
Zond-1
Zond-1 detail - engine
Zond-1 detail - cabling around SA. The marking 3MV-1 identifies it as one of the 1963-64 series, the least unsuccessful of which was Zond-1.
Zond-1 detail - SA (does SA-12 indicate that the SA's for 3MV had a separate serial number system?)
Zond-1 detail - pressure vessel
Zond-1 detail - pressure vessel
Zond-1 detail - attachment mechanism for SA
Zond-1 detail - adapter from spacecraft to SA
Zond-1 detail - antennae
Zond-1 detail - solar panel and antenna
Zond-1 detail - other side of SA
Zond-1 detail - SA attachment
Zond-1 detail: closeup of SA
Zond-1 antenna: note marking 2MV-1 indicating this component (possibly the whole main spacecraft) is actually a leftover from the Aug/Sep 1962 launch failures, unlike the descent module which is from the 1963/64 launches.
Zond-1 sensor boom detail