676 is a dark pie cock called Don Leo, a pigeon i believe to be one of the best breeders alive in Holland today, a super pigeon.
The second picture is of a pair of Aardens that is more famous in Holland than the Dolle, Smaragd, etc etc its the Bonte Koppel of Nico Volkens, he is the best distance flyer in Holland bar none. They are both bred by Sam De Jong.