The larger Smurfs are PVC and marked Peyo Schleich. Baby Smurf is marked and possible bite marks from puppy teeth? The 5 1.5 inch hard plastic Smurfs are old, stamped on bottom is Schlumpfe (Smurf in German). They are discolored bad paint loss on just one of them. 
Condition: In pre-owned aged condition, see photos.