Description
Material: Palladium; Purity:99.95%; Size: diameter1.5 inch× 3.5mm t hickness ; Surface quality: two sides and cylinder fine ground and light polished; Theoretic weight: 47.98grams. Actual weight: 48.26grams(1.55troy oz); On the front side: laser engraved William Hyde Wollaston, element discoverer's picture, atomic number, standard atomic weight, density, melting point, boiling point and net weight. On the back side: laser engraved electron configuration per shell, William Hyde Wollaston' s name and the year of discovery; Main uses: element collection, education, gift and so on. Please visit our store if you are interested in more element coins engraved discoverer's picture. Thank you. Lead Time: within 30 days On Dec-10-21 at 03:02:26 PST, seller added the following information: