Walter Gropius (German, 1883-1969) and Adolf Meyer(German, 1881-1929) c. 1922. 6 door handles. Nickel-plated brass, 2 3/8 x 7 3/4 x 6" (6 x 19.7 x 15.2 cm)  Manufactured by S.A. Loevy, Berlin, Germany.In MoMA and V&A’s collections. Please check Philips,Wright etc for the value of these pieces.

https://www.wright20.com/auctions/2009/03/modern-design/354

http://www.icollector.com/Walter-Gropius-door-handles-two-pairs_i8476407

Condition is good,there is some wear consumate with age and slight pitting to one handle (pictured).These are extremely heavy,rare and rational doorknobs!Six doorknobs Available.

Good Luck with your bids and please take the time to look at my Other Auctions for more masterpieces of Mid Century Design.