Despite the claim that the buttons were made “exculsively for” David Jones, this style of card of buttons were also made “exclusively for” Grace Bros and Farmer’s! This a bit of a stretch of the meaning of “exclusive”! There is no clue as to who made the buttons.
Lincraft was formerly Suzanne Silks from 1938 until around 1982. In 2005 it became Lincraft Australia Pty. Ltd. under new owners.