D20:Forgery Skill

Forgery requires writing materials appropriate to the document being forged, enough light or sufficient visual acuity to see the details of what you?re writing, wax for seals (if appropriate), and some time. To forge a document on which the handwriting is not specific to a person (military orders, a government decree, a business ledger, or the like), you need only to have seen a similar document before, and you gain a +8 bonus on your check. To forge a signature, you need an autograph of that person to copy, and you gain a +4 bonus on the check. To forge a longer document written in the hand of some particular person, a large sample of that person?s handwriting is needed.
The Forgery check is made secretly, so that you?re not sure how good your forgery is. As with Disguise, you don?t even need to make a check until someone examines the work. Your Forgery check is opposed by the Forgery check of the person who examines the document to check its authenticity. The examiner gains modifiers on his or her check if any of the conditions on the table below exist.

Condition	Reader?s Forgery Check Modifier
Type of document unknown to reader	?2
Type of document somewhat known to reader	+0
Type of document well known to reader	+2
Handwriting not known to reader	?2
Handwriting somewhat known to reader	+0
Handwriting intimately known to reader	+2
Reader only casually reviews the document	?2
Forge document without sample	+50

A document that contradicts procedure, orders, or previous knowledge, or one that requires sacrifice on the part of the person checking the document can increase that character?s suspicion (and thus create favorable circumstances for the checker?s opposing Forgery check).

You can forge handwriting you haven?t even seen.

You can forge a document without having seen a similar document or having a sample of the handwriting to be copied. (See table.)

Forging a very short and simple document takes about 1 minute. A longer or more complex document takes 1d4 minutes per page.

Usually, no. A retry is never possible after a particular reader detects a particular forgery. But the document created by the forger might still fool someone else. The result of a Forgery check for a particular document must be used for every instance of a different reader examining the document. No reader can attempt to detect a particular forgery more than once; if that one opposed check goes in favor of the forger, then the reader can?t try using his own skill again, even if he?s suspicious about the document.

If you have the Deceitful feat, you get a +2 bonus on Forgery checks.

Forgery is language-dependent; thus, to forge documents and detect forgeries, you must be able to read and write the language in question. A barbarian can?t learn the Forgery skill unless he has learned to read and write.

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System Reference Document -> Skill Descriptions