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Antique maps are paper
items that are subject to wear and tear similar to
any item which was intended to be used. Nearly all
of them come from atlases, which may have been roughly
handled, indeed sea charts may have traveled many
times around the world - and inevitably may have marginal
tears or repairs to them. Below is a classification
guide to grade condition.
Minor defects include
marginal tears, slight brown spotting from paper aging,
shadowing where ink is transferred across a folded
map and slight creasing of the paper. Do not confuse
the centerfold in most maps with creasing. Many larger
maps were intended to be folded into atlases.
Major defects include
tears, which enter the printed surface, actual loss
of printed surface, defacing by writing on the map
surface and severe browning on poorer paper.
Major defects are more
common in maps from the 1800’s and earlier which could
make that map totally undesirable, but rarer, older
maps may only be obtainable in a degraded condition.
Either way the condition will be reflected in the
price that the collector pays.
Buy a map in the best
condition that you could reasonably expect for its
age and price. The rarer and older it is, the more
forgiving you should be about condition.
We grade our maps on the following
scale:
Art Source
International has adopted the following condition
codes adopted from The Antique Map Price Record &
Handbook 1998. Our scale includes a "letter Grade",
in addition to a short descriptive statement. Their
criteria are described below.
(A+) Excellent Condition
Clean
and bright, with crisp engraved lines. On sound
paper with wide margins. Fine quality coloring.
(A) Very Good Condition
Clean
and bright, with crisp engraved lines. On sound
paper with no imperfections in the image. Small
tears or minor discoloration in the margin only.
Very good quality coloring.
(B)
Good Condition
No significant imperfections.
Minor spotting, foxing, short separations on centerfold
with no image loss, or overall age toning may be
present. May have narrow margins but paper is still
sound. Good coloring.
(C)
Fair Condition
Noticeable imperfections.
Scattered foxing or spotting. Long separations on
centerfold or tears entering image which can be
easily repaired. Color may be slightly faded.
(D)
Poor Condition
Needs
significant repair and cleaning. Paper may be highly
acid and brittle. Color may be faded.
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