>How can you tell if the keys are ivory, plastic, etc.??... >Matthew One way: Ivories are customarily comprised of two pieces, a head and tail. This is apparent by a fine line between the two. Whereas plastic keys are one piece with no fine line. Another way: There is usually a grain appearance, and sometimes texture, of varying degrees in the ivory pieces, whereas with plastic, not usually at all. There are exceptions in the piano industry. Keith McGavern Registered Piano Technician Oklahoma Chapter 731 Piano Technicians Guild USA
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