This item is likely an 
Early American Pattern Glass (EAPG) amber glass salt cellar or toothpick holder, often found in the Daisy and Button pattern, possibly with a "V" ornament variation. 
Details
  • Pattern: The prominent design of eight-sided buttons and geometric shapes is characteristic of the popular Daisy and Button pattern.
  • Material and Color: It is made of pressed amber glass, common for EAPG items produced in the late 19th and early 20th centuries (c. 1850–1914).
  • Manufacturer: The original "Daisy & Button" pattern (Pattern 101) was introduced by Hobbs, Brockunier & Company, but similar items were also made by other companies like Beatty and Sons Company (Vandyke pattern) and Degenhart.
  • Function: Due to its small size and shape, it typically functions as an open salt cellar or a toothpick holder.