Left: TWSC-10 (Thorsen 10" sconce with oak back plate)
S (swing mount)
CAR (caramel flake art glass shade)
MB (mission brown metal finish)

Right: TWSC-10 (Thorsen 10" sconce with oak back plate)
R (rigid mount)
BRN (brown art glass shade)
BZ (bronze metal finish)

The Thorsen rigid mount sconce (TWSC-10R) may be mounted with the shade positioned up or down.