Russian Bale Seal, Cross on Shield Type (Possibly Narva)

Russian Bale Seal, (Possibly Narva) Flax, Image & Found by Michael Young.
Found in Berwickshire, Scotland, 21mm.

Probably a Narva flax seal.

From Ged Dodd, "Obverse .. a crossed shield with 5/5/-/- pellets.
The owner initials are WB joined together in a ligature
1ZK is 12K ..12 high quality Crown flax plants in the bale
.see ref IDS 1009 on The PeaceHavens Project - Seal Numbers 1001 - 1100."