2004 Sc 918 Full Sheet Variety. Kiev Pechersk Lavra Monastery

2004 Kiev Pechersk Lavra Monastery.
Standard Collection 918 Full Sheet Unlisted Variety.
Scott 6819 Unlisted Variety.

Printing composition error. The full stamp sheet #918 with a label (monastery description) which is intended to be used with #921. The only known copy. Rarity.

Provenance: https://forum.philatelie.net/topic17825.html

Below are depicted for comparition:
1. This variety with a wrong label.
2. Regular sheet #921 with a correct label.
3. Regular sheet #918 with a correct label.