Mystery RPPC: Group of 4 kids

This real photo postcard was produced by Kruxo, which is a change of pace from the AZO postcards that I have more commonly come across. Interestingly, this one seems to have a stamp box that's a less-documented variation, with circles in each of the four corners. That variation isn't listed at either Playle or MetroPostcard. But, based upon Kruxo's other stamp boxes, I think it's safe to assume this card was produced sometime between 1908 and the end of the 1920s.

And who are these folks? This is all that's written on the back of the postcard, which was never mailed:

[in pen]
Frances Cecil
Lucian Irvan
[in pencil]
Parkin
Bro.

So, the four boys' names are probably Frances, Cecil, Lucian and Irvan. (And no, it was not uncommon for children of Lucian's age to wear a gown at that time.)

Other mystery RPPCs
(To pass the time during Social Distancing)

• Young woman wearing glasses
• Family from 100-plus years ago
• Toddler in a rocking chair
• Mystery classroom (1907-1929)
• Young woman and young man
• Vintage tree huggers
• Well-dressed girl and chair
• The old man and the boat
• Four women sitting on the ground
• Who were these three kids?
• Just an ordinary fella
• 5 young ladies (4 of them cheery)
• Man and two women
• Three women in Atlantic City, New Jersey
• House with children on the front porch
• Woman and her cat
• Children getting a ride from a goat
• Man with cat reading Harold Bell Wright novel
• Woman feeding chickens
• Woman feeding a chipmunk at Yellowstone
• Man sitting in chair
• Wizard girl
• Girl with stuffed bear
• Odd building (a mystery solved)
• Man in bowler hat and tired girl
• Young girl with parasol and animal
• What appears to be an old school room
• Girl with parasol and witchy socks
• Long-ago toddler with fuzzy toy
• Couple of wee folk
• Feeding chickens (Chapter 2)