A pair of porringers with platters and covers Silver 833/000 Hammered decoration Oporto hallmark (1938-1984) and goldsmith's mark António Martins de Oliveira e Costa & Irmão (regd. 1910) Diam.: 22 cm (plate) 9,5x19x14 cm (escudela com tampa) Literature: VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (1887 a 1993)", vol. II. Lisboa: IN-CM, no. 49 and 1424.

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