Captain America Sentinel of Liberty #8 Issue: Captain America Sentinel of liberty #8 Year: 1999 Significance: First Cameo Appearance of Falcon as Captain America. It was a suit from a costume shop and went under the guise of Captain America. Buy on Ebay! View Recent Ebay! sold prices Previous Next Related ISOM #1 Black Keys, Modern Age Amazing Spider-Man Annual 16 Black Keys, Bronze Age GIJOE #1 Black Keys, Bronze Age