Fig. 1From: Porcelain shards from Portuguese wrecks: Raman spectroscopic analysis of marine archaeological ceramicsFive Ming period porcelain shards from the shipwrecks of the Portuguese carracks, Santo Espirito (1608) and Santa Maria Madre de Deus (1643); shards #1–4 were recovered from the Santa Maria Madre de Deus and shard #5 came from the Santo Espirito Back to article page