Home / Color Changing Coffee Mugs / Ettore Roesler Franz (1845-1907) Unknown title - Color Changing Mug 11oz
  • Ettore Roesler Franz (1845-1907) Unknown title - Color Changing Mug 11oz 11oz - Go Mug Yourself
  • Ettore Roesler Franz (1845-1907) Unknown title - Color Changing Mug 11oz - Go Mug Yourself
  • Ettore Roesler Franz (1845-1907) Unknown title - Color Changing Mug 11oz - Go Mug Yourself
  • Ettore Roesler Franz (1845-1907) Unknown title - Color Changing Mug 11oz - Go Mug Yourself
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Ettore Roesler Franz (1845-1907) Unknown title - Color Changing Mug 11oz

Ettore Roesler Franz (1845-1907) Unknown title - Color Changing Mug 11oz

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$17.99 USD
$17.99 USD
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Ettore Roesler Franz (1845-1907) Unknown title - Color Morphing Mug Design

This is a Roman cityscape by Ettore Roesler Franz, a late nineteenth-century view of streets, courtyards and riverbanks drawn with the patience of a man recording a city in transition.

Visual Elements & Composition

The palette runs on natural and earth tones, the muted browns, ochres and stone greys of old masonry under open sky. Architecture dominates the frame. Walls, doorways and street surfaces carry the eye through the scene, and the riverbank and courtyard spaces open it out again. Nothing is staged for drama. The layout reads as a faithful survey of a place, with each structure given its share of detail.

Meaning & Symbolism

Roesler Franz is a central figure of Realism and Vedutismo, the tradition of the carefully observed city view. His best-known work is the Roma Sparita (Vanished Rome) series, made between 1878 and 1896, which set out to record the streets, courtyards and riverbanks of Rome before modernization swept them away. This design belongs to that project. Every doorway and worn facade stands for a Rome that was disappearing even as he painted it, and the image works as a tribute to the city's classical character and the value of keeping it in view.

Made for the Hand, Turned by It

A mug is held and turned, so the scene moves with the hand, its streets and courtyards catching the light as the cup rotates. The artwork also has a hidden layer here. The design is only faintly visible when the mug is cold, and as a hot drink is poured in, the Roman streets emerge in full. It is a small act of revelation, and a fitting way to bring a vanished city back into view over a morning coffee.

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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.