![PARKER 51 Vacumatic 16K Gold-Filled Cap Fountain Pen and Propelling Pencil Pair, UK, Original Box - Price Estimate: $300 - $500 PARKER 51 Vacumatic 16K Gold-Filled Cap Fountain Pen and Propelling Pencil Pair, UK, Original Box - Price Estimate: $300 - $500](https://www.pbagalleries.com/images/lot/2754/275463_0.jpg)
PARKER 51 Vacumatic 16K Gold-Filled Cap Fountain Pen and Propelling Pencil Pair, UK, Original Box - Price Estimate: $300 - $500
![Unique Late 1940's Parker 51 Aerometric Pen with 12k Gold Filled Cap by Mauricio Faivich - Gilai Collectibles Unique Late 1940's Parker 51 Aerometric Pen with 12k Gold Filled Cap by Mauricio Faivich - Gilai Collectibles](https://www.gilai.com/images/items/776_big.jpg)
Unique Late 1940's Parker 51 Aerometric Pen with 12k Gold Filled Cap by Mauricio Faivich - Gilai Collectibles
![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_0418_1_3.jpg)
1950s Made in USA PARKER 51 Aerometric MKII-B 1/10 12K Gold Filled Cap & Black Body Hooded Nib Fountain Pen
![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)
Parker 51 Set, Double Jewel, 16k Gold-Filled Cap with Original Box | Toys Trains and Other Old Stuff LLC
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Parker 51 Aerometric Mark IV - Navy Blue, Gold Filled Cap, Medium (Excellent, Works Well) - Peyton Street Pens
![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)