Fountain Pen Inks
Papier Plume Honey Island Swamp Monster: A Swampy Green Limited Edition Ink Worth a Look
A themed limited edition fountain pen ink with a deep olive-green hue, good flow, and a charming wax-seal set for letter writers.
Introduction
Papier Plume has built a reputation for uniquely themed limited edition inks, and the Honey Island Swamp Monster is one of the more playful entries in that lineup. Named after the fabled cryptid said to inhabit the Honey Island Swamp in St. Tammany Parish in southern Louisiana, this is a deep swampy green ink offered either as a standalone bottle or as a special set with wax sealing goodies. It is a limited edition, so availability tends to be a question of timing rather than a guarantee.
What Is the Honey Island Swamp Monster?
In folklore terms, a cryptid is a legendary or disputed creature in the same family as Bigfoot, the Yeti, or the Chupacabra. The Honey Island Swamp Monster, also known as the Cajun Sasquatch, purportedly inhabits the Honey Island Swamp in southern Louisiana, and local lore even tells of a train crash in which a traveling circus lost chimpanzees that adapted to the environment, offering one potential origin story for the creature.
The set leans into that theme with charm. It includes a card styled like a newspaper clipping reporting a sighting, a wax seal stamp with the swamp monster design, a couple of wax bars in swampy green and brown, and a small golden cream accent for the seal.

One design detail worth knowing: the bottle is dipped in wax at the top of the cap, and that wax overflow can occasionally make screwing the cap on and off a bit tricky. On this bottle the wax cracked slightly while turning, though this varies from bottle to bottle.
Ink Color and Comparison
The ink itself is a nice, darker olive green. In side-by-side comparisons it sits in the same family as Diamine Mistletoe, though Mistletoe is a touch lighter. It is somewhat similar to Montblanc’s Irish Green but not quite as light, and it differs noticeably from other green inks with olivine in their names, which can look significantly different from one another.

On Tomoe River paper, the ink shows a bit of shading when applied heavily, but there is not much sheen. Heavy applications bleed through on thinner paper, though that is largely a function of the very heavy application used in testing. On 80gsm Rhodia paper, ghosting is medium, bleed is low, and shading is medium with low sheen.
Writing Performance and Nib Testing
Flow is on the wet side, which pairs nicely with the dark, saturated color. The ink was tested with a LAMY Alstar with a fine nib, a Pilot Vanishing Point with a medium nib that lays down a generous amount of ink, and a Galen Leather Celestial Tortoise with a dentist-style nib similar to an architect grind, producing a wider line side to side and a thinner line up and down.
Drying times vary significantly by nib. The fine nib dried in roughly 10 to 15 seconds, while the wetter medium nib took between 30 and 60 seconds. Calligraphy fans will appreciate how the ink behaves with a 3.8mm Pilot Parallel, which is great for adding visual flair to writing.
The Wax Seal Set Experience
If you enjoy letter writing, the set is where this release really shines. Melting the wax over a flame, letting it drip into a circle, and pressing the seal is a satisfying ritual. Mixing the green and brown waxes produces a particularly attractive combination, and the swamp monster seal itself is one worth reaching for regularly.
A few practical tips emerged: let the wax cool slightly between uses, since an overheated seal can stick. And since wax seals do not come with an orientation guide, marking the end of the stamp with a permanent marker helps you press it facing the right way every time.

Water Resistance and Chromatography
The ink does not purport to be waterproof, and water testing shows some dissipation with a little green lifting off the page. That said, it handled water reasonably well before showing ill effects, particularly in heavier applications like dots, so it offers a modest margin of resilience rather than true water resistance.
Chromatography reveals what makes the swampy green: a light greyish green component, some bolder green, and a faint purplish black near the top of the strip. It is a fun experiment precisely because you never quite know which colors will separate out.

Buying Advice
The bottle of ink on its own costs $10, while the complete set with the wax seal, wax bars, and other extras is $45. For anyone who enjoys wax sealing letters, the set is well worthwhile given how nicely the swamp monster seal turns out. Because this is a limited edition and Papier Plume’s limited inks have a tendency to sell out, buying sooner rather than later is the sensible move if it appeals to you.
Conclusion
Papier Plume’s Honey Island Swamp Monster is a deep swampy green with good flow, an interesting theme, and modest shading rather than much sheen. It is easy to recommend to ink collectors, fans of green inks, and especially letter writers who will get real use out of the wax seal set. Just do not wait too long if you want one.
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