Richie Rich Digest Comic Book Bundle, Vintage

Richie Rich Digest Stories #10, July 1982 - cannot find a copy of this listed/available anywhere. Rare. Richie Rich Vacations Digest #6, January 1981, sells on Amazon for $10.21 Richie Rich Vacations Digest #5, October 1980, sells for $10.21 Richie Rich Vacations Digest #7, on eBay for $9.99.