(a) The term pre-Columbian monumental or architectural sculpture
or mural means any stone carving or wall art listed in paragraph
(b) of this section which is the product of a pre-Columbian
Indian culture of Belize, Bolivia, Columbia, Costa Rica,
Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras,
Mexico, Panama, Peru, or Venezuela. (b) The term stone carving
or wall art includes: (1) Such stone monuments as altars and
altar bases, archways, ball court markers, basins, calendars,
and calendrical markers, columns, monoliths, obelisks, statues,
stelae, sarcophagi, thrones, zoomorphs; (3) Architectural masks,
decorated capstones, decorative beams of wood, frescoes,
friezes, glyphs, graffiti, mosaics, moldings, or any other
carving or decoration which had been part of or affixed to any
monument or architectural structure, including cave paintings or
designs; (4) Any fragment or part of any stone carving or wall
art listed in the preceding subparagraphs. (c) The term country
of origin, as applied to any