It’s now 1767 -
Top: 1767 Marquise de Caumont La Force by François Hubert Drouais (Ball State University - Muncie, Indiana, USA). From their Web site 1466X1806 @72 3.1Mp.
Second row left: ca. 1767 Lady Elizabeth Montagu, Duchess of Buccleuch and Queensberry by Thomas Gainsborough (Boughton House - GeddNorthamptonshire, UK). From cutlermiles.com/portrait-of-lady-elizabeth-montagu-duchess-of-buccleuch-and-queensberry-thomas-gainsborough/. 1440X1764 @144 2.6Mp.
Second row right: 1767 Lady Mary Fox wearing a Brunswick by Pompeo Batoni (location ?). From Wikimedia; fixed spots & flaws w Pshop 722X1010 @150 672kj.
Third row: 1767 Princess Louisa and Princess Caroline by Francis Cotes (Royal Collection). From Wikimedia 1033X1500 @28pixels/cm 407kj.
Fourth row left: ca. 1767 Lady Alston wearing a robe à la française by Thomas Gainsborough (auctioned by Sotheby's). From Wikimedia; fixed spots and flaws with Photoshop 1633X2000 @180 1.2Mj.
Fourth row right: 1767 Cecilia de Clercq by Tibout Regters (location ?). From liveinternet.ru/users/4853296/post435796664/ 1225X1920 @72 594kj.
Fifth row: 1767 Augusta Friederike Hannover by Angelica Kauffman (Royal Collection). From Wikimedia 927X1500 @72 370kj.
Sixth row left: 1767 Princess Louisa of Great Britain (Royal Collection). From Wikimedia; removed linear flaws with Photoshop 1240X1500 @198 623kj.
Sixth row right: ca. 1767 Izabela Lubomirska by Per Krafft the Elder after Alexander Roslin (Pałac Na Wyspie - Warszawa, Poland). From Wikimedia 1564X1970 @96 790kj.
Seventh row: 1767 Archduchess Maria Josefa by Anton Rafael Mengs (Museo Nacional del Prado - Madrid, Spain). From liveinternet.ru/users/marylai/post292168318 2004X2709 @300 2.1Mj.