How to calculate Confidence Intervals and Margin of Error
Many more interesting items over the next few weeks. Members of the Philatelic Traders Society (PTS).
1840 2d pale blue plate 2 ee 4m very fine used large margins cat. £1200.00
a very fine used 2d pale blue from plate 2 lettered ee full description below. This item can be shipped worldwide.
vintage
limited
silver
hand
antique
green
cordless
right
blue
very
large
front
deco
light
black
knuckle
gold
impact
sport
signed
original
table
joint
series
size
pour
stoneware
used
fine
steel
wrench
condition
edition
double
lamp
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