TWO ENGRAVED SHELLS, 20TH CENTURY of similar form, the larger depicting Athena, the other with Leda and the swan from classical repertories; minor defects, a few chipping and missing Major, cm 16X15X14 Minor, cm 10.5X9X8 TWO SHELLS, 20TH CENTURY; MINOR DEFECTS, A FEW CHIPS AND LOSSES (2)