CTA Nicosia :

 

this station obviously had many different versions of a voice mirror, this from 1971...
...as well as this one...
...this one being from 1972 (all: rb)

 

this station sent out detailed QSL letters (rb, 1972)

 

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Callsigns:
5BC **

 

Frequencies Voice:
3373
4057
4547
5740
6873.5
6960
7824
9265
10124
10141
11005
14476
17475
19155
19567
19743
19842
19940
23860