One coin per AirVenture. Minted once a year, never again.
KOSH 2026 Rock Your Wings Aviation Challenge Coin
KOSH 2025 Rock Your Wings Aviation Challenge Coin
KOSH 2024 Rock Your Wings Aviation Challenge Coin
KOSH 2023 Rock Your Wings Aviation Challenge Coin
KOSH 2022 Rock Your Wings Aviation Challenge Coin
KOSH 2021 Rock Your Wings Aviation Challenge Coin
KOSH 2019 Rock Your Wings Aviation Challenge Coin
