Nice looking PP in 22.
I'd guess it would go for something close to that but I don't think it's quite in the 'steal' catagory especially for an InterArms marked gun. JMHO

Should have 2 magazines with it too. Plus the owners manual (I think the common version wasn't model specific and covered the PP, PPK and later included the PPK/s. Earlier ones were 3 language versions. InterArms imports might be just English language,,not sure.

My pre-InterArms PP 22 had a cleaning rod also in the box. For some reason it also had a small packet with 2 extra mag followers and also a slide stop spring. Most probably just extras bought and thrown in the box

Are the grips in the one pictured original Walther,,,the thumb rest looks out of place but maybe it was an change to satisfy GCA68 or at least get more points in the import system they imposed.

FWIW my PPK in 22 was proof/dated on the barrel hood. A '66 gun and was also pre InterArms.