I have (possibly) a marked glass blown paperweight. It was left to me by my aunt. It has Holmegaard etched on the bottom with possibly a psg25 (or psa25...or ps625) I'm not sure. Any info would help. At the most, from the research I've done It's possible done by an artist named Per Lutkin...but the signiature doesn't seem to fit...so I'm really confused. Any help?