The party was organised on the Saturday 8 December 1928, 3pm. Captain Charles Alfred Melbourne Derham, son of Frederick Thomas Derham, partner and managing director of Swallow & Ariell Pty Ltd (biscuit company in 1854 in Port Melbourne). The Derham family had been involved with the Port Melbourne mission since the beginning as the factory was producing "ship biscuits". The company was renowned for its patriotic fundraising campaigns during both world wars. They also supplied the mission with plum puddings on every Christmas events. Captain C.A.M Derham enlisted in 1915 and was discharged in 1919. The same year he married Eileen Cuscaden sister of Beatrice Cuscaden (Honorary Secretary of the South Yarra branch of the LHLG), and daughter of Dr George Cuscaden, previously ship surgeon, honorary surgeon of the Women's Hospital and director of Swallow & Ariell. The photograph was published in the 1928 Annual Report. The print shows the curtain background.Photograph of the cake presented to the LHLG in 1928: on top of the cake a lighthouse.Ladies Harbour Light Guild - 21st Birthday Cake Present by Captain C.A.M. Derham 1928charles alfred melbourne derham, swallow and ariell, frederick thomas derham, cyanotyp, eileen cuscaden, beatrice cuscaden, dr george cuscaden, lhlg, anniversary, lighthouse, flag