- 446: obtained 30-nov-2016
- Argentina
- 1978
- Wood K 11.4; p 5.8
From Jules Welling collection; Design by Demetrio Karavokiris, Campana, Argentinië. Modelo Funcional Linea Geometrica, for Unicef, no. 6 of 100 numbered sets.
From Jules Welling collection; Design by Demetrio Karavokiris, Campana, Argentinië. Modelo Funcional Linea Geometrica, for Unicef, no. 6 of 100 numbered sets.