While Hagerty doesn't have any estimated values, another M81 crossed the Mecum auction block twice:
- Indy 2023: Sold for $82,500
- Dallas 2024: Sold for $56,100
Bring a Trailer also had a (different) twice-acutioned M81:
- December 28, 2016: Sold for $36,250
- February 13, 2017: Unsold, bid to $24,250