Gerry, Barry, and Dave pose for a photo while in town for a Space: 1999 convention. The estate of Prowse, who passed away in 2020, is being auctioned off on May 4th to benefit Alzheimer's Research. While it seems no Anderson memorabilia is on offer, it is worth checking out for sci-fi fans who want to help a worthy cause. 

https://bid.eastbristol.co.uk/auctions/7797/sreas10467