Public domain art that prints at 12.7 × 17.8 cm · 5.0 × 7.0 in
Every artwork here has a source file large enough to print at 12.7 × 17.8 cm · 5.0 × 7.0 in and still hit 300 DPI, the threshold where a print looks sharp rather than soft. Computed from actual pixel dimensions.
Works in Public domain art that prints at 12.7 × 17.8 cm · 5.0 × 7.0 in

月に兎・牡丹・立葵図|Rabbits under the Moon, Peonies, and Hollyhocks
Ogata Kōrin

Painting
Unidentified artist

Fan mounted as an album leaf
Shibata Zeshin

鄭旼 黃山八景 水墨紙本 九開冊|Eight views of the Yellow Mountains
Zheng Min

Pygmalion and Galatea as Infants
François Boucher

Winter
Anne Vallayer-Coster

Flowers in a Blue Vase
Willem van Leen

Female bust in an oval medallion draped with a garland (one of a pair)
French Painter

Snuffbox with portrait of a member of the French royal family, probably a daughter of Louis XV
Joseph Etienne Blerzy

Nuestra Señora de los Desamparados (Our Lady of the Forsaken)
Spanish Painter

A Ship in a Stormy Sea
Ivan Konstantinovich Aivazovsky (Hovhannes Aivazian)

The Crucifixion
Andrea di Bartolo

The Nativity
Zanobi Strozzi

The Nativity
Antoniazzo Romano (Antonio di Benedetto Aquilio)

Portrait of a Married Couple (Lorenz Kraffter and Honesta Merz?)
Ulrich Apt the Elder

Portrait of a Woman with Tapestry Work
Jean-Baptiste Jacques Augustin

Scenes from the Life of Christ
Giovanni Baronzio

The Trinity
Bartolomeo di Giovanni

The Betrayal of Christ
Bartolomeo di Tommaso

Madonna and Child with Saints
Giovanni Bellini

Pirna: The Obertor from the South
Bernardo Bellotto

The Assumption of the Virgin
Bergognone (Ambrogio di Stefano da Fossano)

The Twelve Apostles: Saints Bartholomew, Andrew, Matthew, James the Greater, Thaddeus, Philip, James the Lesser, Simon, Peter, Paul, Thomas, and John
Bergognone (Ambrogio di Stefano da Fossano)

Scenes from the Story of the Argonauts
Biagio d'Antonio

Saint Nicholas Providing Dowries
Bicci di Lorenzo

Saint Nicholas Resuscitating Three Youths
Bicci di Lorenzo

Environs of Fontainebleau: Woodland and Cattle
Auguste-François Bonheur

Christ's Descent into Hell
Hieronymus Bosch

Three Miracles of Saint Zenobius
Botticelli (Alessandro di Mariano Filipepi)

Saint Sebastian
Francesco Botticini (Francesco di Giovanni)

On the Beach at Trouville
Eugène Boudin

The Weeders
Jules Breton

Kynance
John Brett

Portrait of a Man
British Painter

A Man with the Initials RH
British Painter

A Woodland Road with Travelers
Jan Brueghel the Elder

Adam; Eve
Giuliano di Piero di Simone Bugiardini

Catharine Lorillard Wolfe (1828–1887)
Alexandre Cabanel

The Birth of Venus
Alexandre Cabanel

Florentine Poet
Alexandre Cabanel

Mrs. William Astor (Caroline Webster Schermerhorn, 1831–1908)
Carolus-Duran (Charles-Auguste-Emile Durant)

The Adoration of the Shepherds
Catena (Vincenzo di Biagio)

Mont Sainte-Victoire
Paul Cézanne

The Adoration of the Shepherds with Saint Catherine of Alexandria
Cigoli (Ludovico Cardi)

Charles II (1630–1685), King of England
Samuel Cooper

Charles de Cossé (1506–1563), Comte de Brissac
Corneille de Lyon

Jean d'Albon de Saint-André (1472–1549)
Corneille de Lyon

Portrait of a Man
Corneille de Lyon

The Burning of Sodom (formerly "The Destruction of Sodom")
Camille Corot

Madame Auguste Cuoq (Mathilde Desportes, 1827–1910)
Gustave Courbet

The Source
Gustave Courbet

Philip IV (1605–1665) in Parade Armor
Gaspar de Crayer

Madonna and Child Enthroned
Carlo Crivelli

Saint Dominic
Carlo Crivelli

Madonna and Child Enthroned with Two Angels and a Donor
Vittore Crivelli

Princess María Francisca de Asis de Borbón and Her Son Infante Carlos Luis María Fernando de Borbón
Luis de la Cruz y Rios

The Banks of the Oise
Charles-François Daubigny

Landscape on a River
Charles-François Daubigny

A River Landscape with Storks
Charles-François Daubigny

Boats on the Seacoast at Étaples
Charles-François Daubigny