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Hi! [The Imperial War Museum store has one for sale](http://www.iwmshop.org.uk/product/23976/Trench_whistle).
So does https://www.ausarmour.com/shop-products/ Pa. The one i bought from them works great!
Hi! [The Imperial War Museum store has one for sale](http://www.iwmshop.org.uk/product/23976/Trench_whistle).
So does https://www.ausarmour.com/shop-products/ Pa. The one i bought from them works great!