This is my dad's collection so I'm not an expert, so please ask questions if I've missed any details 6 whistles all slightly different, all with original peas. All in working order. Lots of photos added, so please look at them for details 2 black Bakelite approx 6cm One has patent 620720 stamped on the side 2 larger silver ones are 6cm 2 smaller silver ones are 4.5cm All in good order with no major damage
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