Home / Color Changing Coffee Mugs / Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Mug 11oz
  • Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Mug 11oz

Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Washington, District of Columbia. Two Officers of Gen. Andrew A. Humpreys' Staff (U.S. Civil War) Color Changing Mug 11oz

This design presents two staff officers serving under General Andrew A. Humphreys, set against the city of Washington, District of Columbia.

Visual Elements & Composition

The composition is formal and direct. Two military figures are the subject, and the artwork gives them the full frame, so attention goes to their bearing and uniforms rather than to any decorative border. Nothing in the layout competes with them. The lettering in the title carries the rest of the story, naming the city, the general and the rank of the men pictured.

Meaning & Symbolism

The staff officer is a figure of the working military household: the men who carried out a commander's orders, kept his records and represented his command in the nation's capital. Pairing two officers ties the image to the administrative machinery behind the Civil War, a side of the conflict that rarely gets a portrait. The Washington setting places that machinery where decisions were made, and General Humphreys anchors the piece to a real command, which is why the design reads as documentation rather than decoration.

Why It Works on a Color Morphing Mug

A mug is turned in the hand and read from the side, so the figures are seen in slow sequence rather than all at once. The heat-reactive surface keeps the portrait hidden while the mug is cold and brings it up as a hot drink goes in, so the officers appear the way a memory does, gradually. It is a fitting way to meet a historical portrait over a morning coffee, and a quietly cheeky reminder that the past is always waiting to be revealed.

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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.