Home Product Tag sewing product SOLD Zwicky – Sewing & Embroidery Silks Jean Walther,1939 SOLD Zwicky – Sewing & Embroidery Silks Jean Walther,1939 Zwicky – Iris – Flora – Silk Thread Jean Walther,1940 SOLD Zwicky – Sewing & Embroidery Silks Jean Walther,1946 More