Looks like an 1886-S with the S being on the reverse below the eagle. S means San Francisco mint and it is a common date. Condition does appear AU+ but the pics are small and low-res for grading. There's 0.2419 troy ounces of fine gold in these gold half eagles ($5 pieces). That's about $299 USD tonight based on gold spot. Your coin is likely worth close to $400 retail based on it's condition assuming it is a problem-free AU+ coin. If selling you would do well to net $350 these days. Good luck with the collection!
ANA #R3154474




















