tack from a caithness estate, brought in after a private buyer questioned whether the document was a nineteenth-century assembly.

Tack tied to a Caithness estate, dated 1681, brought in after a private buyer questioned whether the document was in fact a nineteenth-century assembly of period materials. Reviewed for paper type, ink layering, seal mounting and consistency of hand. Conclusion held back until the parchment, ink and seal had each been considered separately.