An unusual 16th century spoon

An unusual 16th century spoon
Scandinavian gilt silver, possibly Swedish or Danish
Engraved decoration to inner bowl with angel holding cross, calyx and paten and stepping on snake
Female figure holding a wind blown standard to outer bowl
Double putti head and button finial to handle
Unidentified mark
Literature: Klaus Marquardt “Eight centuries of European knives, forks and Spoons”, Arnoldsche Art Publishers, 1997, pp. 45 e 203.
13,5x5 cm
35 g