Hi Brian,
I recommend Art Sentry: https://www.artsentry.com/. You can draw a protective zone around any artifact with as much buffer as you need (even back to the railings). If the zone is breached, the security team is notified in the control room and visitors are alerted through an audible alert to step back. I can give you a direct contact, if you want.
Best,
Catherine P. Foster, Ph.D.
Partner
Argus Cultural Property Consultants
(202) 417-7282
cfoster@arguscpc.com
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Catherine Foster PhD
Partner, Cultural Property Consultants
Argus Cultural Property Consultants
Alexander AR
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