This CROSS Century Hi End 18K gold filled fountain pen. 

Made in Irland ,CROSS 18 karat gold filled writing instruments first introduced in 1989 (outside U.S.)  -  but Made in USA  CROSS 18 karat gold filled writing instruments first introduced  in USA in 1990.

                                                                        14K gold springy M nib

Unused in fine condition. I only inked it for testing, writes very smooth & wet, line is M toward B. includes CROSS converter, all 5 cartridges ( as a rule they get dryed after 35 years) & booklet, unfortunatly inner upper part of the case are lost.