Carved wooden cookie mold in the Dutch Koekplank style

This item is a thick, rectangular wooden board featuring a deeply intaglio-carved relief, stylistically consistent with a traditional Dutch 'Koekplank' used for shaping speculaas or gingerbread. The carving depicts a mounted equestrian figure, possibly a soldier or royal personage, wearing a plumed hat and uniform with star motifs. The horse is shown in a dynamic pose above a stylized grassy ground. Along the right vertical edge, the board bears a reversed hand-carved inscription reading 'DE KROON PRINS' (The Crown Prince), which would appear correctly oriented when pressed into dough. The wood displays a rich, dark brown patina and visible grain consistent with a dense hardwood such as oak or walnut. Condition features include numerous small circular holes, likely historic insect damage (wormholes), several vertical hairline cracks, and softened edges from handling. The owner attributes this piece to 18th or 19th-century Dutch origin with a specific provenance involving the House of Orange and a 1950s acquisition in Haarlem; however, these historical claims are unverified without laboratory testing or formal archival appraisal. A small yellow adhesive label with the number '15' is present on the left side of the block, likely from a previous inventory or auction.

Based on the provided images and documentation, this pair of carved wooden 'Koekplank' molds is attributed to 18th or 19th-century Dutch craftsmanship. The intaglio carving of 'DE KROON PRINS' (The Crown Prince) and the equestrian figure suggest a commemorative or royal theme. The dark patina and visible insect damage are consistent with aged hardwood, although I cannot verify the wood species or the age of the oxidation from a photograph alone. Per the user submission, the items are associated with the House of Orange and have been in the United States since the 1950s. While this provenance is compelling, I treat it as a hypothesis that would require verification through archival research or dendrochronological testing. The value estimate of $1,500 - $2,500 assumes the items are period-original carvings. This range reflects the rarity of found pairs and the high market demand for Dutch folk art with royal iconography. If these were determined to be late 19th-century reproductions or mid-20th-century decorative copies, the value would likely drop to $200 - $400. In my examination, the softened edges suggest significant usage/handling, but I cannot rule out intentional distressing without an in-person inspection. These molds represent a significant intersection of culinary history and political folk art. To confirm the high-end estimate, I would recommend a physical examination to check for residue in the carvings and to evaluate the consistency of the tool marks with period hand-tools. The presence of nineteenth-century inventory labels adds to the circumstantial evidence of age, but these markings can be added later and do not serve as proof of origin.