In this technical age of instant email and text messaging, nothing is more personal — and long-lasting — than a handwritten letter. The task becomes a treat when the tools of the trade are as beautiful as your prose.

For her, consider the limited-edition S.T. DUPONT VERSAILLES gold-plated fountain pen (part of a set), around $2,000, through Philippe’s Watches at 1stdibs.com, and CONNOR FINE ENGRAVER AND STATIONER butterfly notecards, $85, connornyc.com.

He’ll write right with the FREYWILLE enameled rhodium-plated Eagle fountain pen with 14K yellow gold tip, $2,565, frey-wille.com, and MRS. JOHN L. STRONG bespoke hand-engraved stationery, price based on quantities, (212) 838-3775, mrsstrong.com.