1925 PARKER LADY DUOFOLD FOUNTAIN PEN LUCKY CURVE, RING TOP. NOTE: Nib is absent, NO Nib!
Parker Lady Duofold Fountain Pen | Marbled Green | Antique Pen | eBay
Amazon.com: Parker Duofold Centennial Fountain Pen, Classic Black with Gold Trim, Medium Solid Gold Nib, Black Ink and Convertor (1931382) : Everything Else
Parker Lady Duofold Fountain Pen (1930s) - Ring Top, Moderne Black and Pearl w/Triple Cap Band, Button Filler, Fine Duofold Nib (Excellent, Restored) - Peyton Street Pens
Parker Lady Duofold Ringtop Fountain Pen (1920s) - Mandarin Yellow, Triple Cap Band, Flexible Fine Duofold Nib (Excellent, Restored) - Peyton Street Pens
PARKER LADY DUOFOLD RING PEN, STREAMLINED, LAPIS BLUE, BUTTON FILL,1931 | eBay
Parker Lady Duofold Ringtop Streamline Fountain Pen, ca. early 1930s, USA | Pendemonium
Parker Duofold: The Making of an Icon | The Hamilton Pen Company
Parker Lady Duofold Fountain Pen - Streamline Ring Top, Lapis Blue, Extra Fine (Excellent, Restored) - Peyton Street Pens