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, shown on the patent that protected the design. This photo is featured in the spring Pennant article SHEAFFER DESIGN PATENTS by Roger Wooten, where he investigates the variety of Sheaffer design patents. The Sheaffer PFM III has a solid color injection molded plastic cap and barrel. The clip and trim are gold filled. The large Inlaid nib is 14 karat gold. The plastic cap PFM pens have a strong taper in the cap band as opposed to the straight ended metal cap pens. Sheaffer used the Inlaid nib as a symbol for this pen on packaging of the PFM and other Inlaid nib pens such as the Compact and Imperial pens. If you aren’t a member of the Pen Collectors of America, you should be! You can find more information about the PCA at this link: https://www.pencollectorsofamerica.com #pencollecting #fountainpen #sheaffer #pfm #penformen #snorkel #ladysheaffer #eclipse #dippen #parker #parkerpen #parker61 #pencollectors #penhero #pennant https://www.instagram.com/p/Cbixt2sPLQ0/?utm_medium=tumblr

Sheaffer PFM V c1959-1961.  This is a detail shot of the two types of PFM V caps.  The cap shells and clip appear to be the same on both versions, with the difference being in the engraved lines design.  Each cap has four long and four shorter sets of parallel engraved lines.  The shorter sets align with the clip. Based on the illustration in the 1962 Sheaffer repair manual, page B59, dated 10/1/59, the design of the right hand cap, showing the longer sets of engraved lines being even at the top is the earlier, 1959 version of the cap.  This version has the shorter sets of engraved lines much shorter than on the later cap and starting about 1/8 inch higher from the cap lip than the long line sets.  The second version, shown on the left has the middle pair of engraved lines extending out from the longer set to even with the White Dot on the clip.  These lines are visible looking at the front face of the cap.  Some versions of the second cap design are not marked with the Sheaffer logo and where the pen was made on the cap lip.  We have one of those caps.

Sheaffer PFM I c1959-1961.  This is the base pen of the PFM, Pen For Men, line, the PFM I in burgundy.  The PFM I has a solid color plastic cap and barrel, polished stainless steel clip and cap band, and palladium silver nib. The PFM I is the only model without the White Dot.  These pens sold for $10 and the matching pencil for $4.95.

Sheaffer PFM II c1959-1961.  This is a Sheaffer PFM, Pen For Men, II in black, c1959-1961. The Sheaffer PFM II second tier pen of the Pen For Men line. The PFM II has a frosted finish stainless steel cap and solid color plastic barrel, polished steel clip, and a palladium silver nib. The pen was  $12.50 when new, with the matching pencil $5 additional.

Sheaffer PFM, Pen For Men, V c1959-1961.  The Sheaffer PFM V is the black tie pen of the Pen For Men line. We prefer this gold filled cap pen with the formal black barrel color.  The PFM V has an interrupted linear engraved gold filled cap and plastic barrel, gold filled clip and plunger cap end plate, and a 14kt gold Inlaid nib.  The pen was a pricey $25 when new, with the matching pencil $10 additional.

Sheaffer PFM, Pen For Men, III c1959-1963.  We think the green PFM III has a great color.  The Sheaffer PFM III has a solid color injection molded plastic cap and barrel. The clip and trim are gold filled. The large Inlaid nib is 14 karat gold. The plastic cap PFM pens have a strong taper in the cap band as opposed to the straight ended metal cap pens.  As you can see on the hard plastic gift box, Sheaffer used the Inlaid nib as a symbol for this pen and also used it on packaging of other Inlaid nib pens such as the Compact and Imperial pens.

Sheaffer PFM, Pen For Men, IV c1959-1961.  The Sheaffer PFM IV has a polished stainless steel cap and plastic barrel. The clip, trim and plunger end cap are gold filled. The large Inlaid nib is 14 karat gold.  The pen is the second and final use of the Snorkel filling system. You can see the Snorkel tube extended from the section under the nib. The pen fills by unscrewing the end cap, which extends the Snorkel, pulling out the plunger, dipping only the Snorkel into ink and quickly pushing in the plunger, which pneumatically compresses an ink sac inside the barrel, filling the pen. Screwing the end cap retracts the plunger and the pen is ready to write with no wiping.  An incredibly complex pen that actually works as advertised!