Shop IRISH SALMON OF KNOWLEDGENitric Blue Enamel and Silver Fish. 284B-SIL-NB-P Nitric Blue Enamel and Silver Fish. 284B-SIL-NB-P € 225.00 Chain Length: 18 inch 16 inch 20 inch + €25.00 Our lovely Salmon of Knowledge Silver and Enamel Pendant. Measures approximately 25mm long x 2mm thick with Vitreous Kiln Fired Enamel. Each piece from our studio is hallmarked in Dublin Castle by the Irish Assay Office and will be carefully packaged in a custom presentation box. All our pieces are especially handcrafted to order in our Dublin Studio and take from 4-6 weeks to dispatch. Deirdre O'Donnell Contemporary Jewellery