 Complete the following phrase:  The discovery of the Tara Brooch in 1850 could therefore not have been better timed in terms of attracting public interest. The brooch was immediately recognised as the culminating masterpiece though early in date of the Irish development of large and superbly worked ornate brooches, a status it has retained ever since. The brooch was soon acquired by George Waterhouse, who used it as the centre of displays of his replicas and imitations of Celtic brooches in his Dublin shop, also exhibiting it at The Great Exhibition in London in 1851 and the Paris 