Watch List notes:

COMMEMORATIVE MEDALS BY SUBJECT, Aviation, USA, Charles Lindberg (1902-1974), First Solo Trans-Atlantic Flight, New York to Paris, the "Lone Eagle" Heavy Silver Tribute Medal, 1927, by Charles Louis Hinton (1869-1950) for the Medallic Art Company (New York), bust three-quarters right in academic gown, rev the Spirit of St Louis flies above rising sun, between eagle's wings, 70mm. Struck with matt surface, extremely fine and scarce in silver.
The "Fine Silver" medal was originally sold for $5.50 and whilst the cheaper bronze examples are quite common, the silver examples are now scarce.

Estimate: £250-300