Posted this on another thread :
An auction lot show the P of W insignia , badge and button , as being on the "Bengal" unit side (1st Sappers and Miners) . The P of W button is dated 1903-1922.
Note : The display does not show any cap badge for "Bombay" (3rd Sapper and Miners).
https://www.olympiaauctions.com/sale...8/view-lot/28/
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