Belver Linea Strauss oval Porcelain dish Portugal

Belver Linea Strauss Blue & White small divided Porcelain plate. Shipped with USPS Priority Mail. Approximate Measurements: * Width 7" x 5 1/2" * Height 1" Has the number 531 on it, not sure if this is the pattern number or if it is a numbered piece. Please see pictures and decide for yourself. Also signed Bohier or Bolier? on the fruit design.