AN EERO SAARINEN FOR KNOLL INTERNATIONAL "TULIP" ARM CHAIR,circa 1956. Molded white fiberglass on an enameled white swivel base, pale beige velvet slip seat. Together with a swivel vanity stool with upholstered seat. Both bear a Knoll International label - Chair: 31 in. x 25 1/2 in. x 18 1/2 in.; Stool: 17 1/2 in. x 15 in. Estimate $300-500