Rare Loetz Art Nouveau Vaseline Art Glass Swan Vase by Marie Kirschner. A rare example of a Loetz Art Nouveau Vaseline Glass vase designed by Marie Kirschner in 1910 in the form of a swan. The vase is of considerable size and is a rare example, if not unique, executed in beautiful two tone vaseline uranium glass.A Loetz catalogue archive swan vase is shown for reference. Marked: Typical Loetz pontil to base. Condition: In excellent original condition. This item is in the category "Pottery, Ceramics & Glass\Decorative Pottery, Ceramics & Glass\Vases". The seller is "thetwoarthurs" and is located in this country: GB. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.