To appraise the value of old Tonka toys, consider the condition of the toy, its manufacturer, overall demand and rarity. Use Tonka identification guides such as NeatOldToys.com to appraise the value of Tonka toys.
Rarity is the most important factor when appraising the value of a Tonka toy. Toys manufactured before 1955 and bearing the name "Mound Metalcraft" are rarer and therefore more valuable than those toy models made after this date. A highly detailed toy, such as the Air Force Jeep, carries higher value than a simpler toy, such as the Army Jeep.
In general, Tonka toys made between 1947 and 1963 are regarded as the most valuable. The United States Patent Office supplies details regarding the manufacturer and period of manufacture of a Tonka toy using the patent number. The Tonka logo also helps determine its date of manufacture.
A Tonka toy with its original paint and box in excellent condition is generally worth more; a repainted Tonka toy or one with a replaced part is worth only 50 percent of a toy in mint condition. Most often Tonka toys are available in "good" condition rather than in mint condition. If a Tonka toy is rare, then its condition becomes a secondary consideration.