Oasis, Cal., March 31st, 1889 (Mono), manuscript postmark (MON-0920) on cover to Sacramento, Cal., franked with 2¢ + 10¢ Banknotes canceled by matching manuscript; minor tone spots, still Very Fine, one of only two reported manuscripts from this location, Oasis is located in Fish Lake Valley just inside of the Nevada border. Estimate  $200 - 300. $0 (Image)