1950, historical, baby girl sitting in her wooden playpen outside on the grass in the back garden, with her older sister also standing in it, England, UK Stock Photo - Alamy
Antique Large Wood Play Pen - Etsy UK
Antique Large Wood Play Pen - Etsy UK
Wood Children's Play Pen, 1910s for sale at Pamono
C. Dianne Zweig - Kitsch 'n Stuff: Vintage Wooden Playpens: A Good Idea Gone Sour
Supersized Toddler Playpen With Sliding Gate Out of Old IKEA Cots : 6 Steps (with Pictures) - Instructables