Home / Color Changing Coffee Mugs / Unidentified Soldier in Union First Sergeant's Uniform (U.S. Civil War) Color Changing Mug 11oz
  • Unidentified Soldier in Union First Sergeant's Uniform (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • Unidentified Soldier in Union First Sergeant's Uniform (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Unidentified Soldier in Union First Sergeant's Uniform (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Unidentified Soldier in Union First Sergeant's Uniform (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Unidentified Soldier in Union First Sergeant's Uniform (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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Unidentified Soldier in Union First Sergeant's Uniform (U.S. Civil War) Color Changing Mug 11oz

Unidentified Soldier in Union First Sergeant's Uniform (U.S. Civil War) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Unidentified Soldier in Union First Sergeant's Uniform - Color Morphing Mug Design

This design turns a single unnamed soldier of the American Civil War into the centre of attention, shown in the uniform of a Union first sergeant.

Visual Elements & Composition

The uniform dominates the image. Its dark wool coat, buttoned close at the front, reads as the core of the composition, and the sergeant's chevrons on the sleeve mark his rank at a glance. The figure stands alone, framed so nothing competes with his posture and dress. The sitter's face and bearing carry the rest of the image, with no added text or numerals to distract from them.

Meaning & Symbolism

A first sergeant was the senior enlisted man in a Union company, responsible for the roster, discipline and the daily running of the men beneath the captain. The rank was one of the most respected a soldier below commissioned level could hold. Portraits like this were common in the 1860s, when families and comrades sat for studio photographs before units marched out. The sitter's name went unrecorded, so the uniform does the talking: it stands for a whole generation of men who served in the ranks and are remembered mostly by their dress.

Made for the Morning Cup

A mug is turned in the hand and seen from every side, so the soldier is never fully on view at once. He appears as the handle comes round and the drink begins to warm the surface, the uniform surfacing from the glaze as the coffee goes in. The reveal is a small piece of theatre that suits a figure who spent his service in the ranks, quietly at the centre of things. It is a cheeky way to start a morning with a piece of history.

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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.