Actual photos.  One tube or more. You may choose any tubes from this list.

Tested with tubetester L1-3 at Ua=250V, Ug=-45V, Uh=6,3V

results:

1.  sold

2. sold

3.  sold

4. sold

5.  sold

6. sold

7. sold

8.  sold

9.  sold

10.  sold

11.  sold

12.  sold

13.  sold

14.  sold

14.  -sold

15. sold

16.  -sold

17. 33/4.2   50s svetlana 

18.  sold

19. 36/4.0      brocken base key     nov 1961 

20. - sold

21. - sold

22. - sold

23.  - sold

24.  - sold

25.  - sold

26. 30/4         march 1972 

27.  - sold

28.  - sold

29. - sold

30. - sold

31  - sold

32 - sold

33 29/3.8  march 1972 

34 27/3.8 march 1955 

35 25/3.7 ? 6b4g made in ussr 

36 31/4.0 jule 1966