I found an advert in the ‘Littlehampton Gazette’ dated 14th January 1955:
“Make that Birthday or Special Gift a Record chosen from our selection at ... THE DOLPHIN RADIO and CYCLE STORES, 4 TERMINUS ROAD, LITTLEHAMPTON, Telephone 341 (opposite Railway Station) 10,000 STANDARD AND 500 LONG PLAYING RECORDS. ALL MAKES ALWAYS IN STOCK.”
“Make that Birthday or Special Gift a Record chosen from our selection at ... THE DOLPHIN RADIO and CYCLE STORES, 4 TERMINUS ROAD, LITTLEHAMPTON, Telephone 341 (opposite Railway Station) 10,000 STANDARD AND 500 LONG PLAYING RECORDS. ALL MAKES ALWAYS IN STOCK.”