Porphyry (Material) [permalink] [show fewer links]
Broader
Stone (Material)
Linked to

KE 1983 (Circular Porphyry Plaque, Opus Sectile)

KE 1984 (Triangular Porphyry Plaques, Opus Sectile)

KE 1986 (Circular Porphyry Disks, Opus Sectile)