STAMP #: SE21d, 24

MINT/USED:

TYPE: Document

GRADE: -

DESCRIPTION: 50c blue "D", 4mm # with extra vertical perf. row; $1 pink "D", 4mm # (F). RARE, 1/6 docs with a double vert. perf. stamp attached. Inspection and punch hole cancels. Affixed to 'Electrical Inspection Branch' work order. Dated doc 'May 12, 1948'.