Set of Picket metal slide rules

This appraisal is provided for informational and educational purposes only and does not constitute a certified, licensed, or formal appraisal.

Appraisal values are estimates based on submitted information, publicly available data, and input from InstAppraisal community, and may vary due to condition, provenance, regional demand, or additional information.

Appraisals must not be relied upon for insurance, legal, tax, or estate purposes without independent professional verification. InstAppraisal makes no guarantees regarding accuracy, completeness, or suitability for any specific use.