Paintings authenticated by non-fungible tokens [NFTs]; Paintings mounted in frames; Paintings for mounting in frames; Watercolors (paintings); Comics; Bookmarks; Framed photographs; Coloring books; Blank cards; Congratulatory cards; Invitation cards; Greeting cards; Drawings (graphic); Graphic drawings; Paintings (pictures) framed or unframed; Coloring pictures; Picture books; Portraits; Posters; Paint books (printed matter); Printed books relating to painting; Photographic prints; Fine art prints; Graphic prints; Art prints; Works of art (paintings); Works of art in the form of framed paintings; Works of art in the form of unframed paintings; Works of art made of paper; Works of art made of card; Printed artwork; Printed stickers