Very few were ever made and most of what was made we’re turned in for Gen2s and destroyed.
Glock only made the 17, 17L and 19 with the Gen1 frame. The earliest model 19s were actually 17 frames cut down to sub-compact size.
You tell what Gen a Glock is by the frame. On the left is a Gen1 17 frame. It has a consistent pebbled finish covering the entire grip. On the right is a Gen2 frame. It has a front and back strip with a rough texture and the pebble only on the sides.
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