OMAS Vintage Paragon Brown Arco with Gold Trim. The Omas Vintage Paragon Brown Arco with Gold Trim Limited Edition fountain pen pays homage to Omas' signature twelve-faceted Paragon line. With shades of brown, gold, and amber marbled throughout, this celluloid fountain pen is a true stunner. Each pen is numbered, with just 75 available in gold trim. We have managed to secure a small number of these limited edition pens for our customers. Also available in rose gold and silver trims. $796.