Antique Tibet hand-carved Om-mani stone tablet 1050 grams Very RARE

This is a 1050 gram ( 37 ounce) 12.5 cm ( 5 in ) tall, 18 cm ( 7.2 in ) long and 4 cm ( 1.5 in ) thick oval solid perfectly-crafted stone hand-carved Tibetan Om mani tablet that has a perfect and beautiful patina with little use, being kept in a village family for 5 generations in western Nepal northern area.  It has a beautiful patina, is in perfect condition and rare to find. I got it in my early travels in Western Nepal in 1977 when I worked the and since then in my private collection. Now with too many things, it is time to let someone else enjoy.