Extremely Rare NASA Flown Sterling "R" Snoopy Award Pin Last Challenger Mission?

Description

Up for sale is an extremely rare NASA flown sterling silver "Snoopy" award pin. Possibly flown on last successful Challenger mission? Uppercase "R" Robbins hallmark with full "sterling" hallmark. Had diagonal pin clasp type closure which was awarded in September of 1985. Last successful Challenger launch was October 30th 1985 and returned November 6th 1985. It was the D-1 Spacelab STS-61-A mission. Challenger disaster was January 28th 1986. Fewer than 1% of NASA employees receive this award annualy. Diagonal pin back clasp type closure was converted to post pin back fastener. Measures 3/8"W X 1/2"H. Weight is 1.5 grams (without pin back). Includes case. I do not have the original award certificate. Please feel free to ask questions. Thank you.
From a smoke and pet free home.
Package will be insured and signature confirmation will be required due to value.
B-225