Austria 1956 5th World Power Conference 1 value featuring Conference Emblem - in superb u/m (mnh) condition (Stanley Gibbons 2014 catalogue value £17.00). Excellent country, energy, nuclear, electricity, business, commerce, science thematics. If you cannot see the topic/thematic you are searching for in my shop, please do not hesitate to request that I send up a selection of items to ebay which suit you better as I have huge stocks!