Finnish Customs, Image & Found by Finset Seal

Finnish Customs, Image & Found by Finset Seal, Frants Fugl Vestergaard.
Found in South Jutland, Denmark, 32mm.

Two lions rampant supporting a crown // double-headed eagle / FINSET . TI(?)E

Not certain but thought to be a Finnish custom seal.

See BSG.BS.01816 for a definite one.