I think it may even detail grade if a TPG were playing. The green stuff is likely either corrosion or PVC.
My grade VF Details value $0.05 or only face value IMO.
"Buy the Book Before You Buy the Coin" - Aaron R. Feldman - "And read it" - Me 2013! ANA Life Member #3288 in good standing since 1982, Early American Coppers Member (EAC) #6202, Colonial Coin Collectors Club (C4), Conder Token Collector Club (CTCC), & Numismatic Bibliomania Society (NBS) Member, 2¢ variety collector.