![1950s Made in USA PARKER 51 Aerometric MKII-B 1/10 12K Gold Filled Cap & Black Body Hooded Nib Fountain Pen 1950s Made in USA PARKER 51 Aerometric MKII-B 1/10 12K Gold Filled Cap & Black Body Hooded Nib Fountain Pen](https://www.protopens.com/media/catalog/product/cache/1/thumbnail/545b7d8c2961a2f8e0ee77da01d7b56a/d/s/dsc_0311_9.jpg)
1950s Made in USA PARKER 51 Aerometric MKII-B 1/10 12K Gold Filled Cap & Black Body Hooded Nib Fountain Pen
![1950s Made in USA PARKER 51 Aerometric MKII-B 1/10 12K Gold Filled Cap & Black Body Hooded Nib Fountain Pen 1950s Made in USA PARKER 51 Aerometric MKII-B 1/10 12K Gold Filled Cap & Black Body Hooded Nib Fountain Pen](https://www.protopens.com/media/catalog/product/cache/1/thumbnail/545b7d8c2961a2f8e0ee77da01d7b56a/d/s/dsc_0343_1_4.jpg)
1950s Made in USA PARKER 51 Aerometric MKII-B 1/10 12K Gold Filled Cap & Black Body Hooded Nib Fountain Pen
![Vintage Parker 51 aerometric fountain Pen – 14 Karat Solid gold M Nib. 12K gold filled cap. Pre-owned and clean condition. * SOLD * – Authentic Vintage fountain pens – Used and NOS Vintage Parker 51 aerometric fountain Pen – 14 Karat Solid gold M Nib. 12K gold filled cap. Pre-owned and clean condition. * SOLD * – Authentic Vintage fountain pens – Used and NOS](https://antikcartpens.files.wordpress.com/2020/02/vintage-parker-51-aerometric-fountain-pen-14k-solid-gold-f-nib.jpg)
Vintage Parker 51 aerometric fountain Pen – 14 Karat Solid gold M Nib. 12K gold filled cap. Pre-owned and clean condition. * SOLD * – Authentic Vintage fountain pens – Used and NOS
![Parker 51 Mechanical Pencil - Dove Grey (Dark), Gold Filled Cap w 4 Lines, .9mm Lead (Excellent, Works Well) - Peyton Street Pens Parker 51 Mechanical Pencil - Dove Grey (Dark), Gold Filled Cap w 4 Lines, .9mm Lead (Excellent, Works Well) - Peyton Street Pens](https://cdn11.bigcommerce.com/s-5ko0zosub2/images/stencil/1280x1280/products/13293/15640/p51_greygold_mp_1__85304.1612050654.jpg?c=1)
Parker 51 Mechanical Pencil - Dove Grey (Dark), Gold Filled Cap w 4 Lines, .9mm Lead (Excellent, Works Well) - Peyton Street Pens
![Parker 51 Ariel Kullock "Fantasy" Aerometric - Yellow, Gold Filled Converging Lines Cap, Fine Gold Nib (Excellent Condition, Works Well) - Peyton Street Pens Parker 51 Ariel Kullock "Fantasy" Aerometric - Yellow, Gold Filled Converging Lines Cap, Fine Gold Nib (Excellent Condition, Works Well) - Peyton Street Pens](https://cdn11.bigcommerce.com/s-5ko0zosub2/images/stencil/1280x1280/products/17249/21455/p51ak_yellow_goldargcap_1__45881.1684795635.jpg?c=1)
Parker 51 Ariel Kullock "Fantasy" Aerometric - Yellow, Gold Filled Converging Lines Cap, Fine Gold Nib (Excellent Condition, Works Well) - Peyton Street Pens
![Parker 51 Set, Double Jewel, 16k Gold-Filled Cap with Original Box | Toys Trains and Other Old Stuff LLC Parker 51 Set, Double Jewel, 16k Gold-Filled Cap with Original Box | Toys Trains and Other Old Stuff LLC](https://images-cdn.auctionmobility.com/is3/auctionmobility-static/iRGk-1-2MD0U//9-1.jpg?width=880&height=880&resizeinbox=true)