Two Iittala glass Claritas vases designed by Timo Sarpaneva, designed 1983, model no.1577, thick clear glass of trilobe form, one with air bubble inclusions, etched Timo Sarpaneva iittala 1984 C1577, 29cm. high, (2) Literature A Private Collection of Finnish Glass, Christie's 7th March 2001 lot 96 for a comparable vase. Iittala 125 Years of Finnish Glass, Arnoldsche, page 56-57 for a detail of a comparable Claritas vase. Charlotte & Peter Fiell, Scandinavian Design, Taschen, page 591 for a comparable example illustrated.