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Stamps of
United States
,
P.S. Write Soon on envelope
design
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1 to 3 of 3
postage
1980
, Feb 25
letter writing week issue
unwmk
p.
11
X
15c
cl & multi
P.S. Write Soon on envelope
X
15c
grn & multi
P.S. Write Soon on envelope
X
15c
red & multi
P.S. Write Soon on envelope
1 to 3 of 3