Blank Navy Letterhead Template with Luxury Serif Design

Print-ready letterhead template for blank navy letterhead (finance). Company brief: blank navy letterhead. Style: luxury serif, sage + ivory palette. Header band with placeholder logo + company name. Footer strip with placeholder address, phone, email, website, registration number. Watermark: grid lines. Generous text area for body copy. A4 portrait, no watermarks (other than chosen design). No real registration numbers or addresses — use clean placeholders. No fake government seals. Target search intent (rendered visually, no on-image text): "blank navy letterhead" (en).