'Tone study Demonstration to Nahem, Geoff and Desmond of TNPG Postcard

'Tone study Demonstration to Nahem, Geoff and Desmond of  The National Portrait Gallery Postcard' oil on prepared wooden panel: 290 x 420mm by Robert Oscar Lenkiewicz (1941-2002) inscribed in the artist's hand in black marker pen with title, signed and Gift to Graham; with a closed-corner slip in silver  leaf over black bole rubbed through on sight edges within a closed-corner ROL black hand-painted frame and glazed.