All have the SC block logo on base. The block SC logo is the letter C with the letter S inside and was used by Swarovski from 1976 to 1988.
Swarovski Crystal Vase of of Red Roses 283394
SWAROVSKI CRYSTAL BEAUTIES OF THE LAKE SET OF 5 ' MEDIUM SWANS' UNBOXED
SWAROVSKI CRYSTAL BEAUTIES OF THE LAKE SET OF 3 'SWANS' UNBOXED
Swarovski Crystal "CROSS OF LIGHT" 285865 with Original Box & Cert, Mint
1990 Swarovski Crystal Figurine of Three Leaping Dolphins on a Frosted Base
Swarovski Crystal School of Fish 666355 Mint Rare Boxed Retired