Tiffany Thayer's MONA LISA, I:  The Prince of Taranto, A Fiction in 3 volumes boxed set, HB, no dust jackets, copyright 1956, printed by Haddon Craftsmen, LOC 56-8110.

All books as pictured.  All used condition.  Priced accordingly.  All will ship US Media Mail as indicated unless you wish otherwise.  Please ask any questions prior to buying.  Thank you for looking.