Stamps in need of field checks:

Greece: Egion, Sounion; Guernsey. . 1994. 45: 25-28.
Australia, Norfolk Island, Landscapes of Britain, Sounion, France. 1995. 46:20-24, 26-27.
New Caledonia, Cambodia, Portugal/, 1995. 47: 19-23.
Israel, Oman/. 1995. 48: 17-20.
Mali. 1996.  49: 20.
Caves on the 1954 Capri Stamp
The Granite Sea Caves at Pointe du Raz