Singer sewing machine decal set:
Class 12 Mother-of-Pearl variants
There were many different, ornate designs, liberally adorned with mother of pearl for the high-end market.

12K (1885)

12K (1885) rear.

12K

12K bed detail

12K in folding, 'combination' case; unfolded to provide treadle table.
Photos: Pat Nordmark, John Langdon