Description The Iconic Parker 51 fountain pen, once hailed as the 'world's most wanted' pen, first launched in 1941, and has been reintroduced in 2021. The Parker 51 Premium ballpoint, shown here in Black features a glossy black resin barrel and engraved stainless steel cap with gold-plated trim. The twist-action mechanism extends and retracts the ballpoint refill.The Parker 51 ballpoint accepts the Parker style ballpoint refill.