请参考图片及英文描述。 The China–Australia Mail Steamship Line, preferential share receipt and agreement for 10 units, dated 11th December 1917, issued by famous local Hong Kong department store Sincere Company Limited, also hand-signed by Sinceres co-founder Wing Charn Ma, The China–Australia Mail Steamship Line was established by the Sydney Chinese Chamber of Commerce to challenge the monopoly of shipping routes held by Japan when British and German ships were redirected back to Europe for the first world war. Very Fine, but with ink corrosion in a few spots
