YOU ARE BIDDING ON A VERY SCARCE EARLY VTG PARKER 51 VACUMATIC BUTTON FILL FOUNTAIN PEN DOUBLE JEWELED WITH BLUE DIAMOND [ ENAMLED ] EARLY CAP &  CORDOVAN BROWN BARREL COLOR IN VERY FINE EXCELLENT CONDITION.ON THE END OF THE BARREL RIGHT ABOVE THE NIB READS  "MADE IN U S A  51"  AND THEN THE OTHER SYMBOLS I CANNOT MAKE THEM OUT...MY EYESIGHT IS NOT THAT GOOD !  NO RESERVE AND FREE SHIPPING TO ALL U.S.LOCATIONS.