Answer:
monochromatic
explantion:
grayscale is gray
and neutral colors are most clearly defined as hues that appear to be without color, and that don't typically appear on the color wheel.
polychromatic is simply used for multi-coloured art, or things decorated in- or having several colours.
You should look at the artists that painted during the romanticism movement, and impressionism such as Vincent van gogh
An outstanding example of medieval goldsmith's work, and "an important monument of imperial ideology".
The cross comes from the period of <span>Ottonian Art</span><span> was evolving into Romanesque art, and the engraved crucifixion on the reverse looks forward to the later period.</span>