Dinis Eanes da Gra and Alvaro Freitas

[Anatol]

On stamp10d two depicts the Portuguese captains(there is very little information), who took part in the slave raids at Arguin banks. In 1446 took second raid on the hunting of African slaves. Chroniclers believe that twenty-six ships set out from various ports (Lisbon squadron, Madeira squadron squadron Lagos) for the second wave of slave raids Arguin banks.
DINIS EANES DA GRA (Navigator)1446(on stamp to the left)
Lisbon squadron - Gonçalo Pacheco , treasurer of Casa de Ceuta, outfits a three-caravel expedition in Lisbon under the command of Dinis Eanes de Grã (squire of regent Peter of Coimbra). 1446 - Lisbon trio of Dinis Eanes de Grã is the first to arrive in the Arguin banks. Finding Arguin island devastated by the Gonçalves's raid, they conduct a slave raid on the Berber villages on the coast and take some 100 captives, but lose several crewmen in the fighting. 1446 - The main body of Lançarote's fleet arrives at Arguin island, where they find the idling trio of Dinis Eanes de Grã . Grã joins Lançarote's fleet in attacking Arguin again, then sailing down to devastate Tidra island and Serenni peninsula. Although the fighting is heavier, an additional 66 Berbers are taken captive. Grã's Lisbon trio leaves back for Portugal after the Tider raid.
ALVARO DE FREITAS(Navigator)1446(on stamp to the right),
Lagos squadron - The Company of Lagos sends out of massive fleet of fourteen ships for a slave-raid on Arguin banks . It is led by Lançarote de Freitas , and includes Soeiro da Costa ( alcaide of Lagos and Lançarote's father-in-law),Alvaro de Freitas (probably a relative of Lançarote)and other сapitans. Alvaro de Freitas takes part in all "exploits" of Lansarote.After failure on the southern coast of Alvaro de Freitas, Vicente Diaz and Lanzarote are returned to the banks Arguin, captured 59 prisoners and returned to Lagos. ((For more details about the raid –see “Lansarote de Freitas”).
Cabo Verde 1952;10e;SG354.
http://en.wikipedia.org/wiki/User:Walrasiad/Chronology
http://en.wikipedia.org/wiki/Lançarote_de_Freitas