Burton Brothers Dunedin. Original Albumen prime. “2996 The Naval Attack on Oamaru – /86”. During the mid 1880’s there was a fear of invasion by Russia. This exercise was staged by the British Navy as a wake up call for South Island ports. This is one of a pair. Excellent condition. Print size; 20cm x 15cm. Frame size; 37cm x 40cm. $NZ $800.00 the pair.