Home / Color Changing Coffee Mugs / Falmouth, Virginia. Col. George Henry Sharpe's Horses, Headquarters, Army of the Potomac (U.S. Civil War) Color Changing Mug 11oz
  • Falmouth, Virginia. Col. George Henry Sharpe's Horses, Headquarters, Army of the Potomac (U.S. Civil War) Color Changing Coffee Mug 11oz Default Title 11oz - Go Mug Yourself
  • Falmouth, Virginia. Col. George Henry Sharpe's Horses, Headquarters, Army of the Potomac (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Falmouth, Virginia. Col. George Henry Sharpe's Horses, Headquarters, Army of the Potomac (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
  • Falmouth, Virginia. Col. George Henry Sharpe's Horses, Headquarters, Army of the Potomac (U.S. Civil War) Color Changing Coffee Mug 11oz - Go Mug Yourself
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Falmouth, Virginia. Col. George Henry Sharpe's Horses, Headquarters, Army of the Potomac (U.S. Civil War) Color Changing Mug 11oz

Falmouth, Virginia. Col. George Henry Sharpe's Horses, Headquarters, Army of the Potomac (U.S. Civil War) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Falmouth, Virginia. Col. George Henry Sharpe's Horses, Headquarters, Army of the Potomac - Color Morphing Mug Design

This design is a documentary photograph taken by Timothy H. O'Sullivan in March 1863, showing the horses of Colonel George Henry Sharpe at the headquarters of the Army of the Potomac in Falmouth, Virginia.

Visual Elements & Composition

The image is monochromatic, built from blacks, whites and the warm browns of sepia, the tones of mid-nineteenth-century photographic processes. The horses and their surroundings take up the frame without ornament. Nothing is posed for effect. The composition reads as a record: animals standing in the camp, the ground and tents around them, and no attempt to dramatise the scene.

Meaning & Symbolism

The horses were the working backbone of a headquarters, carrying officers, messages and supplies through a war that ran on logistics as much as battle. O'Sullivan belonged to the documentary school of Civil War photography, which valued fact over heroics. The picture shows the ordinary machinery of the Army of the Potomac in 1863, quiet and observant, and that is what gives it its weight.

Made for the Hand, Read by Warmth

A mug is turned in the hand and looked at from close range, so the photograph meets you at arm's length, one slow rotation at a time. This mug's surface is a colour-changing one: the design sits faintly visible while the mug is cold and comes forward as a hot drink is poured in. The scene therefore arrives gradually, the way a quiet archival image rewards a second look. It makes a thoughtful gift for a history reader, a Civil War enthusiast, or anyone who appreciates photographs that show the unglamorous side of the past.

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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.