#416a Used PSE Certificate, Brown Yellow shade. Only certified used #416a known. PSE records only this used copy and the PF database shows none. The item “#416a Used PSE Certificate # 01228387, Brown Yellow shade, extremely rare stamp” is in sale since Wednesday, April 26, 2017. This item is in the category “Stamps\United States\1901-Now\ Used”. The seller is “jerryconnollystamps” and is located in North Hollywood, California. This item can be shipped worldwide.