EFO C3 Mint Fast Plane Variety – Blue Plane Touches Outer Red Frame Line Updated on September 18, 2023 By admin Comments Off EFO #C3 Mint “Fast Plane” Variety. Blue Plane Touches Outer Red Frame Line! Share Tweet By admin You May Also Like E11, Mint XF/Superb NH 10¢ PINK BACK PSE Graded 95J Jumbo Stuart Katz C3, Mint VF NH 24¢ Jenny Airmail Stamp Stuart Katz