Skip to product information
1 of 6

Berthold Woltze (1829-1896) The Irritating Gentleman - Oil on Canvas 1874 - Color Changing Mug 11oz

Berthold Woltze (1829-1896) The Irritating Gentleman - Oil on Canvas 1874 - Color Changing Mug 11oz

100 in stock

Regular price $17.99 USD
Regular price Sale price $17.99 USD
Sale Sold out
Shipping calculated at checkout.

The Irritating Gentleman - Color Morphing Mug Design

Berthold Woltze's 1874 oil portrait The Irritating Gentleman gives you a single man, held in close view, whose temperament seems to be the real subject of the painting.

Visual Elements & Composition

The composition centres on the gentleman. Nothing competes with him, so the eye settles on his face and bearing. The palette is the warm, muted range of traditional oil painting, with browns, ochres and shadowed greys building depth around the figure. Brushwork gives the surfaces a textured, layered quality typical of 1870s canvases. There is no text or numeral to read, only the man and the mood he carries.

Meaning & Symbolism

The title does the storytelling. Woltze, a German painter working in the second half of the nineteenth century, was known for portraits and figure studies, and this picture belongs to that tradition of character study. The painting asks the viewer to read temperament from posture and expression, a habit of the period when a sitter's manner was considered a window into their personality. The gentle irony of the title is what makes it memorable: a portrait that is serious in technique and wry in intent.

Turned in the Hand

A mug is a picture you hold and rotate, so the portrait is seen in pieces as you lift it, with the face arriving at the angle your hand chooses. The design is revealed as warm coffee goes in, so the gentleman appears gradually, as if he has just decided to make his presence known. It is a fitting way to meet a character this sure of himself.

Title
Size

Bulk Discounts Available

These discounts apply to all products.

Buy 2
10% OFF
Buy 3+
20% OFF
Buy 5+
30% OFF
Buy 10+
40% OFF

Automatically applied at checkout.

View full details

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.