Home / Color Changing Coffee Mugs / Washington Navy Yard, D.C. Samuel Arnold, a Conspirator (U.S. Civil War) Color Changing Mug 11oz
  • Washington Navy Yard, D.C. Samuel Arnold, a Conspirator (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • Washington Navy Yard, D.C. Samuel Arnold, a Conspirator (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Washington Navy Yard, D.C. Samuel Arnold, a Conspirator (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Washington Navy Yard, D.C. Samuel Arnold, a Conspirator (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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Washington Navy Yard, D.C. Samuel Arnold, a Conspirator (U.S. Civil War) Color Changing Mug 11oz

Washington Navy Yard, D.C. Samuel Arnold, a Conspirator (U.S. Civil War) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Washington Navy Yard, D.C. Samuel Arnold, a Conspirator - Color Morphing Mug Design

This design is a documentary portrait of Samuel Arnold, set against the Washington Navy Yard in the nation's capital.

Visual Elements & Composition

The composition keeps one clear focus: the subject's identity, placed beside his geographical link to the Navy Yard. Nothing decorative competes with it. The layout reads like an archival plate, formal and objective, with the name and place given equal weight so the viewer reads the two as a pair. The design is printed as a full wraparound, so the image runs around the mug rather than sitting on one face of it.

Meaning & Symbolism

Arnold is remembered as one of the conspirators in the 1865 plot tied to Abraham Lincoln's assassination, and the design situates him within the 19th-century history of Washington, D.C. The Navy Yard anchors that story to a real federal site. Together, the subject and the place turn a single name into a record of American political history, the kind of artefact a researcher might file alongside documents from the period.

Holding the Story in Your Hand

A mug is turned slowly in the hand, so the artwork moves across the viewer's line of sight as it is handled. The image is also heat-reactive: faintly visible when the mug is cold, it reveals itself once a hot drink is poured in. That reveal suits a document that only comes into focus under the right conditions. Each morning, the story is seen again as the cup warms.

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Color-changing ceramic mugs with a glossy finish, black exterior, and white interior. Available in one size: 11 oz (≈330 ml). Heat-reactive coating reveals your custom design when filled with hot liquid. BPA- and lead-free, with a comfortable C-handle.

This mug brings a playful twist to the daily coffee or tea ritual. At room temperature, it looks like a simple black mug with a glossy finish. But add a hot beverage, and your chosen design fades into view, showing vivid colors against the white interior.

The ceramic body is durable enough for repeated use, while the C-shaped handle balances comfort and grip. Printing uses sublimation techniques that fuse color into the heat-reactive surface for crisp results when the design appears.

  • Material: ceramic with glossy black exterior and white interior.
  • Size: one standard size, 11 oz (≈330 ml).
  • Finish: glossy glaze with heat-sensitive surface.
  • Printing: sublimation process produces crisp, vibrant colors.
  • Safety: BPA-free and lead-free, suitable for everyday drinks.
  • Effect: design is faintly visible when cold, fully revealed when hot.

Perfect as a novelty gift or a fun personal mug, the heat-reactive design makes coffee breaks more engaging. It works well for morning coffee, afternoon tea, or hot chocolate.

  1. Daily routine: fill with any hot beverage to reveal your chosen artwork.
  2. Gifting: the “magic” reveal makes it a memorable present for birthdays, holidays, or office exchanges.
  3. Office use: sparks conversation while still being practical for everyday drinks.

Note: for best results, avoid designs that rely heavily on deep black backgrounds, as they may blend with the mug’s surface when cold.

Unlike standard mugs, color-changing mugs require gentler care to preserve the heat-reactive coating. Hand-wash only — avoid the dishwasher and abrasive scrubbers, which can damage the finish and reduce the effect.

The mug is safe for short microwave use when heating liquids, but repeated high-heat cycles may shorten the lifespan of the coating. Always allow the mug to cool before washing.

Available in one classic size: 11 oz (approximately 330 ml). It’s large enough for most standard coffee makers and fits comfortably in most cabinets.

Size guide

All measurements are product dimensions in inches.

11 oz
Height (in) 3.78
Diameter (in) 3.23
Diameter w/ handle (in) 4.76

Note: measurements are approximate; slight variations may occur due to manufacturing tolerances.