What affects the value of Minton porcelain?

Value is driven by a few things, such as form, rarity, condition, decoration method, and demand for the pattern or style. A complete service with serving pieces often sells better than scattered singles. Handwork raises interest, especially on decorative wares using relief decoration, heavy gilding, or specialty techniques like pâte-sur-pâte. Condition can swing value fast, because hairlines, rim chips, and restored cracks usually cut prices. Provenance can help, such as a strong paper trail to a known collection or an identified commission. Market timing matters too, interest in Victorian ceramics rises and falls with fashion.