30 mm diameter, 16.5 g, 99.9% silver, grained edge year 2017, circular inscription REPUBLICA MOLDOVA meaning "REPUBLIC OF MOLDAVIA" and the coat of arms of the Republic of Moldavia, in exergue horizontal line and denomination "50 LEI"	inside linear circle an open book, above a maiden pink flower, circular inscription · Cartea Roşie · Dianthus deltoides · GAROFI?A-TRIUNGIULARĂ · meaning "Red Book TRIANGULAR PINK" (MAIDEN PINK) Issuing date: 27th of March 2018 Mintage: 300 coins

The Red Book series comprises the following 10 lei silver coins (over to July 2021):

- wildcat and green woodpecker in 2001,

- black stork and European mink in 2003,

- pine marten in 2004,

- imperial eagle in 2005,

- great bustard in 2006,

- European ground squirrel in 2007 and

- white waterlily in 2008.

The series also comprises the following 50 lei coins:

- Eurasian spoonbill in 2011,

- otter and lady's slipper in 2012,

- mute swan and Coenagrion mercuriale damselfly in 2013,

- glossy ibis and the peony Paeonia peregrina in 2014,

- European pond turtle in 2015,

- red-breasted goose in 2016

- maiden pink - Dianthus deltoides in 2018,

- saker falcon - Falco cherrug in 2018,

- summer snowflake - Leucojum aestivum in 2019 and

- Papilio machaon swallowtail in 2020.