Home / Color Changing Coffee Mugs / District of Columbia. Maj. H. W. Sawyer and Staff at Camp Stoneman (U.S. Civil War) Color Changing Mug 11oz
  • District of Columbia. Maj. H. W. Sawyer and Staff at Camp Stoneman (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • District of Columbia. Maj. H. W. Sawyer and Staff at Camp Stoneman (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • District of Columbia. Maj. H. W. Sawyer and Staff at Camp Stoneman (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • District of Columbia. Maj. H. W. Sawyer and Staff at Camp Stoneman (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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District of Columbia. Maj. H. W. Sawyer and Staff at Camp Stoneman (U.S. Civil War) Color Changing Mug 11oz

District of Columbia. Maj. H. W. Sawyer and Staff at Camp Stoneman (U.S. Civil War) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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District of Columbia. Maj. H. W. Sawyer and Staff at Camp Stoneman - Color Morphing Mug Design

This design is a historical photograph of Major H. W. Sawyer and his staff, posed together at Camp Stoneman in the District of Columbia.

Visual Elements & Composition

The photograph is a formal group portrait, with the Major and his officers arranged as the subject of the frame. Attention goes to the figures and their uniforms, and the setting around them stays secondary, so the eye lands on the people first. The image is monochrome and documentary in tone, with the sober look typical of photography from the period. It carries no decorative border or added text, so the photograph itself does all the work.

Meaning & Symbolism

A group portrait like this was a record of rank and organization. Standing together in a deliberate arrangement signalled command, responsibility and the chain of authority within a unit. Camp Stoneman was a military installation in the District of Columbia during the Civil War era, and the photograph ties these men to that specific place and moment. It is a direct link to the people who served there, which is why it reads as a piece of archival history rather than a generic image of soldiers.

Cupped in the Hand

A mug is turned slowly in the hands and viewed up close, and this photograph works that way. Its figures sit at the scale of a face, so each officer can be studied one at a time over a morning cup. The image also comes alive as the mug warms: as the drink goes in, the photograph surfaces from the cup, so the history appears gradually, the way a record comes into focus when someone takes the time to look.

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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.