Leather top strap of Kodak box camera Rainbow Hawk-Eye No. 2 Model C - with this embossed text:  RAINBOW HAWK-EYE No. 2 MODEL C.
<a href="//commons.wikimedia.org/wiki/User:Franz_van_Duns" title="User:Franz van Duns">Franz van Duns</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>