8'th classicphil Auction - Day 3

1953, 200 f., orange and deep violet, top right corner block of (8) with plate number 075, with 1 1/4 mm apart black bars opt, bottom left stamp has OPT ERROR lower bar is 5,5 mm apart and THICK, MNH, very fresh and rare, XF! Schätzpreis 500€.