Here is picture of a short-tailed Swallowtail Butterfly, Papilio brevicauda, mounted with #3 black enamel steel insect pins. Image is courtesy of "sigelaminuta". Click on collection to see more of his work.
Google Reviews, click on the names to read the entire review:
Keith U.: Ordered insect pinning equipment... shipped and received quicker than expected. I will order from them again.
Steven P.: Indigo...black steel pins for...wood scale flying models, very sharp...Great quality products!
We've offered Entosphinx black insect pins since 2005. Buy a few for a delivered cost that beats "free" shipping!
Some blogs that may be of interest:
Insect Pins for Art, Nozzles, Puppetry...Even Insects. Our pins ensured Sponge Bob's pants didn't fall down!
Pinhole Photography & Eye Evolution. See also pinhole camera examples with a #0 insect pin & a #1 insect pin.
See our blog Bioquip Inc. Products Catalog-Indigo Instruments Equivalents may be a useful reference for some.