PORTUGAL PRESTAMP POSTMARKS (B.221)

PORTUGAL PRESTAMP POSTMARKS (B.221)
"Marcas Postais de Portugal Metropolitano utilisadas no Periodo Pre-Adhesivo" by Magalhaes & Sousa, detailed listing of all prestamp postmarks (in Portuguese but easy to follow, all postmarks are illustrated), with dates and valuations, issued in looseleaf form (A5 format), several hundred un-numbered pages (apparently complete and in order, but unchecked), 1978.

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