Royal Copenhagen art pottery Small Baca tiles with fantastic glazes

Royal Copenhagen Baca, small tile from the 1970'es with fantastic glazes. Some has decoration number 507/2923, 467/2923, 739/2923 and 806/2923. Signed by artist Nils Thorsson, Grethe Helland Hansen and other artists. Factory first. Measures 7.5 by 3.6 cm. Perfect condition with no chips, cracks or repairs.