Details
A Czechoslovakian black and clear glass chess set, with a matching glass board, the knights as figures of horses' heads, rooks consisting of multiple towers, signed under the king Hoffman, each piece marked with a butterfly, king 3½in. (9cm.), pawn 2½in. (6.4cm.)
Further details
A similar set is illustrated, Victor Keats, Chessmen for Collectors, 1985, B.T. Batsford Ltd., London, plate 110.