PARKER "51 Classic" Fountain Pen
Aerometric Filler
Made in England late 1950s
Lustraloy/Classic Black
Firm Mk II long "arrow" pocket clip
Secure push fit cap - no dents
Medium/Fine 14K hooded nib
Cleaned and tested 
Sac protector shows surface marks
see photo, No effect to working
Iconic English Parker
Ready to use
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Happy to answer questions. Please see feedback