Jewelry. Bjorn Sigurd Ostern for David Andersen Vintage modernist blue guilloche enamel & sterling

Jewelry. Bjorn Sigurd Ostern for David Andersen Vintage modernist blue guilloche enamel & sterling necklace, chain hallmark D-A 925s, 14 1/2" length, 34.79 grams, 1 5/8" width of pendant, enamel & cha

Jewelry. Bjorn Sigurd Ostern Vintage colbalt blue guilloche enamel & sterling harp pendant 2 1/2" length; 1 1/4" wide; 20.64 grams, good condition.

Jewelry. Bjorn Sigurd Ostern Vintage aqua blue guilloche enamel & sterling harp pendant 2 1/2" length; 1 1/4" wide; 20 grams, good condition.

Bjorn Sigurd Ostern Vintage Cobalt Blue Guilloche Enamel and Sterling Silver Harp Pendant Hallmarked in Reverse with Makers Mark: " D-A 925S Sterling Norway INV BS? " Circa 1966 Dimensions Approx: 2 1

Jewelry. David Andersen Norway sterling Modernist pendant Bjorn Ostern, 1960's sterling & blue enamel, hallmark 925s Inv. B.S.O, 35.41 grams, 1 7/8" widest part 3 1/8" length, good condition

Jewelry. Bjorn Sigurd Ostern Vintage purple guilloche enamel & sterling necklace, chain hallmark D-A 925s, 13 1/2" length, 25.94 weight, good condition

Jewelry. Bjorn Sigurd Ostern Vintage yellow guilloche enamel & sterling harp pendant, 2 1/2" length; 1 1/4" wide; 19.62 grams, good condition

Jewelry. Vintage David Andersen blue enamel guilloche sterling silver leaf necklace, 16" total length, good condition

Set of Sterling Silver Modernist Pendant and Earrings set with blue stone, both pendant and earrings are signed, D-A 925S Norway Sterling and on the back of the pendant as well :INV. B.S.O. Pendant :

Jewelry. Vintage Modernist David Andersen sterling silver Norway INV.B.S.O. brown shades of guilloche enamel 14 1/2" total length, good condition could use a polish

Jewelry. David Andersen sterling & blue guilloche enamel double leaf design necklace, hallmark W, 15 3/8" total length

Jewelry. (2) David Andersen leaf necklaces enamel & sterling. blue guilloche enamel leaf necklace & white guilloche enamel leaf necklace, both 15 3/4" total length, enamel in good condition, sterling

Jewelry. Vintage sgd. David-Andersen blue enamel sterling silver bracelet, 7 panels, 7 1/4" total length, need to be polished

Jewelry. David Andersen Willy Winnaess Vintage double leaf yellow enamel guilloche sterling silver necklace, 22 individual panels, 15 1/2" total length, hallmark D-A 925 S sterling Norway W

c.1965, in abstract form with purple enamel accents, stamped 'DA Sterling 925 Norway INV.B.S.O.', designer Bjorn Sigurd Ostern, 3in.

Jewelry. Vintage David Andersen Norway yellow enamel guilloche sterling silver necklace. 8 panels. good condition

Jewelry. (3) David Andersen sterling pendants, mid century blue guilloche enamel pin/pendent different shades of blue D-A 925S; (2) David Andersen for Willy Winnaess brown guilloche enamel sterling pe

Vintage David Andersen Sterling Silver Cobalt Blue Guilloche Enamel Panel Link Bracelet. Six linked blue guilloche enamel panels. Marked: Norway Sterling 925 SV. Dimensions: open: 6 3/4 inches, each p

Jewelry. Vintage David Andersen Norway sterling silver green guilloche enamel necklace, 26 individual panels of guilloche w/ sterling wave design, 17" total length includes clasp, good condition

Jewelry. Vintage David Andersen Willy Winnaess green enamel guilloche leaf necklace sterling silver, 8 panel. 17" total length, good condition

Jewelry. (2) Vintage necklaces. David Andersen Norway white enamel guilloche sterling silver 8 panel leaf design & Albert Scharning sgd. necklace. good condition

Jewelry. (3) David Andersen sterling enamel Vintage pendants; one orange; one green; one blue; 45.62 total grams; 1 7/8" length & 1 3/8" wide each; open bail for a chain, all in good condition.

Jewelry. Collection of 8 pairs of vintage earrings enamel guilloche sterling silver. 3 prs. sgd David Andersen w/ wave sterling design; 3 pairs sgd. MEKA yellow & red french hooks & small gree double

Jewelry. Collection of 8 pairs of vintage earrings green enamel guilloche sterling silver, light green sgd. J. Tostrup; 2 pairs of wave design sgd. David Andersen; longer panel sgd. VB, other artist s