"Bagged Bags" by Kate Vogel and John Littleton Studio glass sculpture in the form of three sealed bags joined together and inside each other. Ritz sign. and date; h. 47.5 cm. Provenance: Estate liquidation of a South German private collection - part I. Studio glass sculpture by Kate Vogel and John Littleton depicting three realistic bags, two smaller ones resting inside the open larger bag. Engraved signature and dated. Italy. Murano. 1989.