Cloth Seal, Unknown Continental, BOCCOR? Seal

Cloth Seal, Continental, BOCCOR? Seal, Image & Found by Christopher Phillips.
Found ?, ?mm.

+++ / BOC / COR? / +++ // missing but 19 or 61 partial stamp on rivet stub

The rivet disc from a two-part cloth seal probably from the Continent going by the lettering and lines.

No match has yet been found.