Id this pistol

I've had this .177 cal break-barrel pistol for a few months. It shoots well. There are no markings on it. Can anyone identify it ?

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Thanks.
 
those used to be had at the Cummins Tool Truck sale for US$20.00... as was at the time the B3 line of cheepie rifles. the trucks came to Bozemaqn a couple times a year. 

I had several ( still have a couple around somewhere), you could tune the trigger to be really nice, but I never got mine to shoot with any kind of accuracy or precision

These pistols and the B3 rifles were great platforms to learn on, and if you dinked with them enough, could get a decent performing rifle. the pistols just sucked.....