a: case
b: large toothed comb
c: double sided comb

Etched on back of case "IAMAICA/1671"

Posibbly made in Jamaica 
Decoration in late 17th century style.
<div class="fn value">
Unknown artist<span style="display: none;">Unknown artist</span></div>
<a rel="nofollow" class="external text" href="https://collection.cooperhewitt.org/objects/18504603">Catalog</a> <a rel="nofollow" class="external text" href="https://images.collection.cooperhewitt.org/186947_334c44c14201ab78_x.jpg">Photo</a>