Zigzag Ladder Patterns

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black serpentine
Overall: 1 7/8 × 9/16 in. (4.8 × 1.4 cm)
Morgan Seal 35
Provenance: 
Acquired by Pierpont Morgan sometime between 1885 and 1908
Notes: 

"[35] shows patterns probably derived from weaving and mat plaiting." Porada, CANES, p. 7

Summary: 

Zigzag ladder designs forming two triangles, three drillings in each.

Classification: 
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