Frequently Asked Questions
What objects are on display?
The NNC currently has one exhibition at the National Museum of American History, The Value of Money.
How do I set up a visit to the NNC?
Please see Contact and Inquiries to find out how to set up a research or photography visit.
Can I take my own photos of objects in the collection?
Yes, during supervised research and photography visits to the collection, visitors are allowed to bring their own equipment and take photographs of our objects.
Photos are allowed in the galleries as well.
I have objects that I would like to donate to the NNC. How do I proceed?
Thank you for your interest in donating to the NNC. Please email a short description and, if possible, a few images of the objects to NMAH-NNC@si.edu. Curatorial and Collections staff will review and respond to your message.
Please note that while we are very grateful for your consideration, we are not able to accept most donations of objects.
Would the NNC like to purchase my objects?
Thank you for your interest in the NNC, however, we are not able to purchase your objects at this time.
How much is my object worth?
The NNC is not able to provide valuations for objects. Please see this page for information about appraisals.
Is my object real?
The NNC is not able to verify the authenticity of objects.
Does the NNC grade coins?
The NNC does not grade its coins or participate in the grading of coins in other collections.
Can I get involved at the NNC through interning or volunteering?
Thank you for your interest in donating your time and expertise. Unfortunately at this time we are not able to take on new volunteers.
We accept interns on an as-needed basis. Please apply through the Smithsonian Online Academic Appointment System.