Letter the Arabic first أوّلًا
The Naskh hand sets the column width; the Latin sub-title is fitted around it, never the reverse.
Gild only the bearing lines ثانيًا
One hairline of gold above and below each title. The rest is sepia ground — restraint costs nothing.
Keep the frame symmetrical ثالثًا
Mirrored lotus motifs at all four corners; if a flourish breaks symmetry, redraw it before the next take.
Let the grain remain رابعًا
Silver-nitrate emulsion ages on its own schedule. Print the card; do not polish what time will soften.