This is an LCD that can show 8 starburst characters ands some additional symbols. The links provide information (in german) on how to use this LCD. It requires 3.6V and has a BCF8576 controller (I2C interface over the 5-pole flatcable).
This is a surplus product. It was obtained from a surplus store, from an inventory or from any other secondary source. You can expect this product to be in good working condition, but it can show signs of being handled, shipped, repackaged etc. The supply of a surplus article can suddenly run out, or the price can change. Get it while it is available.