Is this a WWII Shotgun Shell Pouch? - FIELD & PERSONAL GEAR SECTION - U.S. Militaria Forum

I've been offered this rig and was wondering if this is a shotgun shell pouch. There are the only two photos I have. Also, what is the value of a set like this?

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US WWII Canvas Shotgun Shell Ammunition Pouch Marked

shotgun m1897 in ww2 and equipment - FIELD & PERSONAL GEAR SECTION

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