Coin Grading Tutorial. View grading tutorials for currency and other collectible types. Coin grading is done both by adjectives and on a 1-70 numeric scale, and standards are developed enough that most collectors will be able to agree on how a coin should look given how the coin's grade is described.
Two point perspective drawing is a type of linear perspective. Linear perspective is a method using lines to create the illusion of space on a 2D surface. There are three types of linear perspective. One point perspective uses one vanishing point placed on the horizon line. Two point perspective uses two points placed on the horizon line.
1. (Mathematics) the space between two straight lines that diverge from a common point or between two planes that extend from a common line. 2. (Mathematics) the shape formed by two such lines or planes. 3. (Mathematics) the extent to which one such line or plane diverges from another, measured in degrees or radians. 4. an angular projection or recess; corner. 5. standpoint; point of view: look at the question from another angle; the angle of a newspaper article.