Hi there! As it's mentioned, I'd love to know more about these pieces, since you are the experts, I'll appreciate your help. · #4 and #5 is the same piece. 916/000 · #6 REFOJO 900 · #7 Piece A: Has a seal of 20g, and piece B: a seal 5.Both of them have this Rooster,heron or dove who knows what it...