The badge shown here as being a Tyneside Irish Cap Badge is in fact a reproduction and was worn on the shoulder strap. The strings of the harp are solid, in the original, the strings can be seen through. The Tyneside Irish wore the Northumberland Fusiliers Cap Badge. The harp was worn on the shoulder strap with the battalion number and the letters NF, eg 24/HARP/NF.

The above information was provided to us by John Sheen.
John is the author of a book on the Tyneside Irish.

Tyneside Irish, 24th, 25th, 26th and 27th (Service) Battalions Northumberland Fusiliers
A history of the Tyneside Irish Brigade raised in the North east in World War One
published by Pen & Sword Books 47 Church Street, Barnsley, South YorkshireS70 2AS
ISBN 0-85052-587-X