(1) The offense is committed during a manmade disaster, a natural disaster or a war-caused disaster and constitutes a violation of section 3921 (relating to theft by unlawful taking or disposition), 3925 (relating to receiving stolen property), 3928 (relating to unauthorized use of automobiles and other vehicles) or 3929 (relating to retail theft).
(2) The property stolen is a firearm.
(3) In the case of theft by receiving stolen property, the property received, retained or disposed of is a firearm.
(4) The property stolen is any amount of anhydrous ammonia.
(5) The amount involved is $100,000 or more but less than $500,000.
(a.1) Felony of the third degree.–Except as provided in subsection (a) or (a.2), theft constitutes a felony of the third degree if the amount involved exceeds $2,000, or if the property stolen is an automobile, airplane, motorcycle, motorboat or other motor-propelled vehicle, or in the case of theft by receiving stolen property, if the receiver is in the business of buying or selling stolen property.
(1) in the case of theft by receiving stolen property, the property received, retained or disposed of is a firearm and the receiver is in the business of buying or selling stolen property; or
(2) the amount involved is $500,000 or more.
(b) Other grades.–Theft not within subsection (a), (a.1) or (a.2), constitutes a misdemeanor of the first degree, except that if the property was not taken from the person or by threat, or in breach of fiduciary obligation, and:
(1) Except as otherwise specified in this section, value means the market value of the property at the time and place of the crime, or if such cannot be satisfactorily ascertained, the cost of replacement of the property within a reasonable time after the crime.
(2) Whether or not they have been issued or delivered, certain written instruments, not including those having a readily ascertainable market value such as some public and corporate bonds and securities, shall be evaluated as follows:
(i) The value of an instrument constituting an evidence of debt, such as a check, draft or promissory note, shall be deemed the amount due or collectible thereon or thereby, such figure ordinarily being the face amount of the indebtedness less any portion thereof which has been satisfied.
(ii) The value of any other instrument which creates, releases, discharges or otherwise affects any valuable legal right, privilege or obligation shall be deemed the greatest amount of economic loss which the owner of the instrument might reasonably suffer by virtue of the loss of the instrument.
(3) When the value of property cannot be satisfactorily ascertained pursuant to the standards set forth in paragraphs (1) and (2) of this subsection its value shall be deemed to be an amount less than $50. Amounts involved in thefts committed pursuant to one scheme or course of conduct, whether from the same person or several persons, may be aggregated in determining the grade of the offense.