Large Raku art vase

Large vintage raku vase/art ceramic, modern style. Handcrafted, signed (signature to be identified), tall rectangular shape, cut diagonally on the edge on one side, another long turned up side, interior of the vase matt and black texture, exterior more or less clear, white enamel/glaze to black through green, khaki and gray, more or less dark fine cracking, irregular spreading, drips, creases, colored iridescence more or less visible on the surface of the icing. Unglazed foot. 29cm maximum height, 9cm side. Very beautiful object, unique piece. Very good general condition, a chip on the top of the rolling up of the rim, and on the inside of the rolling up, white materials under the black/glaze, these are really discreet old accidents, no other chips, no cracks, a few small, fairly discreet scratches as well, on the bottom. About 2kg. Unique piece.