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

Washington, District of Columbia. Captain Paul of Gen. Andrew A. Humphrey's Staff (U.S. Civil War) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Captain Paul of Gen. Andrew A. Humphrey's Staff - Color Morphing Mug Design

This design commemorates Captain Paul, a member of Gen. Andrew A. Humphrey's staff, with the city of Washington, District of Columbia, as its setting.

Visual Elements & Composition

The design places the captain's name and rank at the centre of the composition, with the Washington, District of Columbia location and the staff designation set alongside it. The text is the clearest element, so the eye reads the piece as a record rather than a decorative pattern. Because the design wraps the full body of the mug, the lettering and imagery run continuously around the curve of the cup.

Meaning & Symbolism

The title ties a single officer to a specific command and a specific place, which is how Civil War-era records typically identified men of rank. Humphrey's staff served in the Union army during the American Civil War (1861–1865), and Washington was the capital the Union army defended throughout the conflict. Naming Captain Paul and his staff post honours one man's service within that larger effort, and the design keeps that history in plain view.

Made for the Hand and the Morning Cup

A mug is turned in the hand and read at close range, so the design here is meant to be discovered slowly, one side at a time as the cup rotates. The heat-reactive surface adds a second reading: the design is faint when the mug is cold and comes forward once a hot drink is poured in. The history appears as the cup warms, which suits a piece about a man whose service is easy to overlook until someone looks closer.

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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.