British West Indies. (St. Vincent - Grenada - United States). 1944. Air Mail envelope addressed to Grenada, British West Indies bearing United States SG 906, 5c violet, white and red (4) tied by North Miami roller 'Jan 15 44', endorsed 'Air Mail', with 'Examined By' label (applied in Miami), with framed instructional 'Missent To St. Vincent BWI' on face with Kingstown '3rd Feb' receiver on reverse and forwarded to Grenada with arrival '16th Feb'.