This is an unissued 1905- 1917 period with gold wreath and silver lightening bolts.
This cap insignia replaced the larger pattern created in 1899 in 1905, and was worn continually until 1917. Of the same design, but on a smaller scale. This NCO electrician’s / signalman’s insignia is cast brass, gilt finished with applied 5 lightening bolts.
Screw back post with thumb nut.
From the Robert Borrell Artillery Collection.