The Curtis Nugget was found on 6th February in 1868.
It was the largest nugget found on the goldfields.
Have a read of the article from the Rockhampton Morning Bulletin.
Further references in Trove:
The Big Curtis Nugget (Gympie Times and Mary River Mining Gazette (Qld. : 1868 – 1919) Tuesday 16 October 1917 p 2)
The Curtis Nugget (The North Queensland Register (Townsville, Qld. : 1892 – 1905) Monday 16 November 1903 p 14)
The Curtis Nugget (Morning Bulletin (Rockhampton, Qld. : 1878 – 1954) Tuesday 17 November 1903 p 5)
This content is a part of G150: Celebrating 150 years of Gympie.