Sentry #1 CGC 9.8 You cannot add that amount to the cart — we have 1 in stock and you already have 1 in your cart. View cart $450.00 1 in stock Buy Now Category: Comic Books Description Description 1st appearance of Sentry (Robert Reynolds). Related products Avengers #232 CGC 9.0 $230.00 Buy Now Captain America #110 CGC 7.5 $290.00 Buy Now Amazing Spider-Man #5 CGC 3.5 $1,295.00 Buy Now DC Comics Batman Adventures: Mad Love CGC 9.8 $470.00 Buy Now All purchased items have a 15% Buyer’s Premium added.