Bidspirit auction | Souvenir leaf for the International

Souvenir leaf for the International Year of Crystallography 2014, Israel 2014. Numbered 01809 of 2500. Quasi-Periodic Crystals stamp with face value 10 NIS with a Philately Day tab, postmark of the 79th conference of the Israel Chemical Society from Tel Aviv-Yafo dated 4.2.2014. The leaf presents the twelve stones of the breastplate in their crystalline forms alongside the names of the tribes of Israel and a verse from the book of Exodus. The reverse presents an account of crystallography and of the discovery of quasi-periodic crystals in Hebrew and English. Carmel catalog no. 650, catalog value 320 NIS. Excellent condition.