CP (Paper) = C-Print (i.e. traditional chemical analog darkroom color photograph
HD-HDSAP (Metal) = High Definition-Heat Dye Sublimation Aluminum Plate
LE - Limited Edition
PIP (Paper) = Pigment Ink on Paper
SGP (Paper) = Silver Gelatin Print (i.e. traditional chemical analog darkroom black & white photograph)
SOV - Signed on Verso