Gold mark identification

[cosmin.stiop]

Can you please help me with this mark..it's on a pair of earrings, looks like a crested bird with number 4..ai guess it is for 14K gold but I don't know what country.

[oel]

Czechoslovakia, domestic gold hallmarks, used 1949-1992. 4th Standard hallmark, designed for small items, the so called Čejka or lapwing mark for gold 585/000.
http://www.sevcikphoto.com/vanellus_ind ... 2.jpg.html
https://www.britannica.com/place/Czechoslovakia
Peter.

Source;World Hallmarks Volume I Europe Hallmark Research Institute 2nd Edition, Whetstone, Niklewicz, Matula. Page 69

[cosmin.stiop]

Czechoslovakia, domestic gold hallmarks, used 1949-1992. 4th Standard hallmark, designed for small items, the so called Čejka or lapwing mark for gold 585/000.
http://www.sevcikphoto.com/vanellus_ind ... 2.jpg.html
https://www.britannica.com/place/Czechoslovakia
Peter.

Source;World Hallmarks Volume I Europe Hallmark Research Institute 2nd Edition, Whetstone, Niklewicz, Matula. Page 69

Thank you so much!