20 lepta plate proof in black printed on both sides, on reverse with shifted & inverted 1 lepton brown (Constantinides n° 5 ES. I.6). Interesting, fine.
Please note that we are still working on adding images for the lots. If the lot you are interested in does not have images available yet, we invite you to check again in a few days.
If you still cannot find the images you are looking for in a few days, please send us a message. Important: don't forget to mention the lot number(s).
Thank you for your understanding.