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Flag of the Yamauchi Lords of Kouchi in Tosa Province C (Japan) White Coffee Mug

Flag of the Yamauchi Lords of Kouchi in Tosa Province C (Japan) White Coffee Mug

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Regular price $17.99 USD
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Flag of the Yamauchi Lords of Kouchi in Tosa Province C (Japan) White Coffee Mug

This design reproduces a war banner of the Yamauchi daimyo, the lords who governed Tosa Province from Kochi Castle, in stark black and white with the clan's leaf crest at its centre.

Visual Elements & Composition

Black covers most of the field, roughly seven parts in ten, with white stripes running horizontally across it. At the heart of the banner sits a circular emblem of white leaves, arranged around a central node so the crest reads as a single, balanced form. The flat vector style keeps the contrast hard and the shapes clean, and the banded field gives the whole piece a strong, structured rhythm.

Meaning & Symbolism

The Yamauchi gained Tosa in 1600, when Yamauchi Kazutoyo was rewarded with the province after the Battle of Sekigahara. The clan's crest was worn on armour and carried on banners, marking the family's lineage and authority through the Edo period. This variant, labelled C, is one of several recorded arrangements of the family standard, and the black-and-white palette belongs to the high-contrast banners of the Sengoku and Edo eras.

Set on the Mug

A mug is turned in the hand, so the crest comes round to the front as the cup is lifted and then slips away again. The high contrast of black and white suits the round body of the vessel, and the circular emblem sits centred where the eye naturally lands. It will appeal to anyone drawn to Japanese feudal history, or to the heraldry that once marked the samurai households of Tosa.

Size

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Sturdy white ceramic mugs available in 11 oz (≈330 ml) and 15 oz (≈440 ml), with a glossy finish and comfortable C-handle — microwave and dishwasher safe, and made from lead- and BPA-free materials.

These mugs are built from durable white ceramic so colors pop cleanly and prints read with strong contrast. A smooth, glossy glaze gives each mug a lively sheen and makes it easy to wipe clean after daily use.

Both sizes feature a classic C-shaped handle that feels natural in the hand; whether you sip slowly or gulp quickly, the grip is steady. Safety-wise, the ceramic is processed to be lead- and BPA-free — suitable for everyday drinking.

  • Material: white ceramic with a glossy glaze for bright, clear prints.
  • Sizes: 11 oz (≈330 ml) and 15 oz (≈440 ml) to suit small and generous pours.
  • Handle: comfortable C-handle for balanced holding and easy lifting.
  • Safety: lead-free and BPA-free for peace of mind with every cup.
  • Finish: glossy surface that highlights saturated inks and smooth detail.

Perfect for morning coffee, afternoon tea, or a rich hot chocolate — these mugs fit comfortably in most cabinets and cupholders. They’re also a reliable choice for office kitchens where items see frequent use.

  1. Everyday use: safe for hot liquids and daily serving; the wider 15 oz option works great for larger morning routines or extra-steamy drinks.
  2. Office-friendly: the classic profile stacks easily with similar mugs and sits securely on standard saucers and trays.
  3. Gift idea: a practical, well-finished mug is useful and simple to display or wrap for gifting.

Quick note: while the mugs are dishwasher-safe, treating them gently helps keep the print looking fresh longer (see Care tab).

These mugs are rated for microwave and dishwasher use, but small habits extend their life. Run them on the top rack of the dishwasher and avoid high-temperature commercial cycles whenever possible.

For longest-lasting print clarity: hand wash with mild dish soap and a soft cloth, avoid abrasive scouring pads, and don’t let them soak in strong detergents. When microwaving, use short intervals and avoid empty heating.

Available sizes: 11 oz (approximately 330 ml) and 15 oz (approximately 440 ml). The 11 oz is a classic coffee size; the 15 oz gives extra room for cream, froth, or larger servings.

Each mug has a standard-width mouth for easy sipping and cleaning; height and diameter vary slightly between sizes to maintain comfortable proportions and sturdy balance.

Size guide

All measurements are product dimensions in inches.

11 oz 15 oz
Height (in) 3.74 4.61
Diameter (in) 3.15 3.43

Note: dimensions are nominal — small production tolerances may apply. If you need precise fitment (e.g., for nested storage or custom packaging), please allow a small margin.