Home / Coffee Mugs & Cups / District of Columbia. Detachment of Company K, 3D Massachusetts Heavy Artillery, by Guns of Fort Stevens (U.S. Civil War) Color Changing Coffee Mug 11oz
  • District of Columbia. Detachment of Company K, 3D Massachusetts Heavy Artillery, by Guns of Fort Stevens (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • District of Columbia. Detachment of Company K, 3D Massachusetts Heavy Artillery, by Guns of Fort Stevens (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • District of Columbia. Detachment of Company K, 3D Massachusetts Heavy Artillery, by Guns of Fort Stevens (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • District of Columbia. Detachment of Company K, 3D Massachusetts Heavy Artillery, by Guns of Fort Stevens (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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District of Columbia. Detachment of Company K, 3D Massachusetts Heavy Artillery, by Guns of Fort Stevens (U.S. Civil War) Color Changing Coffee Mug 11oz

District of Columbia. Detachment of Company K, 3D Massachusetts Heavy Artillery, by Guns of Fort Stevens (U.S. Civil War) Color Changing Coffee Mug 11oz

100 in stock

$19.99 USD
$19.99 USD
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District of Columbia, 3rd Massachusetts Artillery - A Moment Frozen in Time

This color-changing coffee mug showcases a vivid design inspired by the historic "District of Columbia. Detachment of Company K, 3D Massachusetts Heavy Artillery, by Guns of Fort Stevens" photographic record from the U.S. Civil War. The artwork brings to life a pivotal moment in American history, representing the courage and sacrifice of Union soldiers tasked with defending the nation's capital.

Visualizing History: The Design Unveiled

The design, when cold, may depict a sepia-toned representation of the detachment, likely a historically accurate artistic rendering, possibly with a photograph-like quality. The central focus is the detachment of Company K, members of the 3rd Massachusetts Heavy Artillery. They are shown near the formidable cannons of Fort Stevens, a physical symbol of the Union's determination to protect Washington D.C.

The composition is carefully considered. Soldiers are shown in their uniforms, emphasizing their military role. The prominent placement of the cannons signifies the detachment's critical function in the defense of the city. The artwork captures the strategic importance of Fort Stevens and the constant threat posed by Confederate forces.

Transformation and Meaning

When a hot beverage is added, the mug's design undergoes a dramatic transformation. Details might be revealed, color may be added and brought to life. Perhaps the sepia tones give way to a scene filled with vibrant hues of the blue and gray colors of the uniforms. The color change offers an evocative experience that amplifies the historical impact of the design. This visual transformation creates a connection to the intense experience and environment of the Civil War. The mug design is more than an aesthetic; it is a gateway to the past, a tribute to the soldiers who served, and a reminder of the historical significance of the locations in which they fought.

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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.