Possible Clues:

• Work of incisive artist at home: sign and put up painting
• Incised design to change giant painting back
• Toiling vigorously to overlay a design that has been engraved
• In chasing game prepare to run smoothly, lifting hollowed stone
• Hardly an outstanding work of art
• Toiling arduously about a method of printing
• In the label it's cut in with oil back there
• Gemstone with a design engraved into its surface
• Design etched into a surface
• Sounds as if one might make this in size, in the label with the oil up there