This set is in good estate condition. The cap on the pen is marked PARKER MADE IN U.S.A. 1/10 12K gold filled.The barrel is marked Parker Made in USA 51. The inside of the pen is marked To fill press ribbed bar firmly 4 times. Use dry writing superchrome ink. Holding pen point down wipe point with soft tissue. The Parker Pen Co., Made in U.S.A. The cap on the pencil is marked Parker 1/10 12K gold filled and the barrel is marked Parker Made in U.S.A.