B44F1/00	7	Designs or pictures characterised by special or unusual light effects	B44F1/00	B44F1/00		564
B44F1/02	8	produced by reflected light, e.g. matt surfaces, lustrous surfaces	B44F1/02	B44F1/02		812
B44F1/04	9	after passage through surface layers, e.g. pictures with mirrors on the back	B44F1/04	B44F1/04		590
B44F1/045	10	{having mirrors or metallic or reflective layers at the back side}	B44F1/04	B44F1/04		156
B44F1/06	8	produced by transmitted light, e.g. transparencies, imitations of glass paintings	B44F1/06	B44F1/06		1254
B44F1/063	9	{Imitation of leaded light}	B44F1/06	B44F1/06		371
B44F1/066	9	{comprising at least two transparent elements, e.g. sheets, layers (layered products of glass and synthetic resin containing decorations or patterns B32B17/10247; window units comprising two or more parallel glass panes E06B3/66)}	B44F1/06	B44F1/06		505
B44F1/08	8	characterised by colour effects	B44F1/08	B44F1/08		762
B44F1/10	9	Changing, amusing, or secret pictures	B44F1/10	B44F1/10		1138
B44F1/14	9	Iridescent effects	B44F1/14	B44F1/14		408
B44F3/00	7	Designs characterised by outlines	B44F3/00	B44F3/00		422
B44F5/00	7	Designs characterised by irregular areas, e.g. mottled patterns (imitating natural patterns or artistic work B44F9/00, B44F11/00)	B44F5/00	B44F5/00		256
B44F7/00	7	Designs imitating three-dimensional [3D] effects	B44F7/00	B44F7/00		1005
B44F9/00	7	Designs imitating natural patterns	B44F9/00	B44F9/00		420
B44F9/02	8	wood grain effects	B44F9/02	B44F9/02		1164
B44F9/04	8	of stone surfaces, e.g. marble	B44F9/04	B44F9/04		1262
B44F9/06	8	of horn, ivory, or meerschaum surfaces	B44F9/06	B44F9/06		74
B44F9/08	8	of crystalline structures, pearl effects, or mother-of-pearl effects	B44F9/08	B44F9/08		334
B44F9/10	8	of metallic or oxidised metallic surfaces	B44F9/10	B44F9/10		246
B44F9/12	8	of leather	B44F9/12	B44F9/12		160
B44F11/00	7	Designs imitating artistic work	B44F11/00	B44F11/00		316
B44F11/02	8	Imitation of pictures, e.g. oil paintings	B44F11/02	B44F11/02		347
B44F11/04	8	Imitation of mosaic or tarsia-work patterns	B44F11/04	B44F11/04		171
B44F11/06	8	Imitation of ceramic patterns	B44F11/06	B44F11/06		206
B44F99/00	7	Subject matter not provided for in other groups of this subclass	B44F99/00	B44F99/00		26
