Home Product Tag silk Zwicky – Sewing & Embroidery Silks Otto Baumberger,1927 SOLD Zwicky – Sewing & Embroidery Silks Otto Baumberger,1927 for elegant dresses natural silk only 1936 SOLD Zwicky – Sewing & Embroidery Silks 1939 SOLD Zwicky – Sewing & Embroidery Silks 1939 Zwicky – Sewing & Embroidery Silks 1946 SOLD Zwicky – Sewing & Embroidery Silks 1946 Collector’s Choice Zwicky – Silk Thread 1946 Zwicky – Silk Thread 1946 Grieder – Bon Genie Fashion Store 1946 Grieder – Silk 1946 SOLD Zwicky – Sewing & Embroidery Silks 1946 Gütermann sewing thread 1951 More