royal555???? ?? ???? ???????? ?? ???? ?? ??? ??????? ????? ???? ?? ??? ????? ???The Zenith Royal 500N-G/Royal 555G have been released in 1965 and were being accessible in White or Charcoal. Inside their literature these hues were identified as versions 500W-NG/500C-NG plus the 555C-G and 555W-G. For simplicity I'll refer for their simplified produc