Mrs. Frank Wilder lived in Indianapolis, the capital city and center of business, commerce, and transportation in central Indiana.

https://en.wikipedia.org/wiki/Indianapolis

In March of 1911, Mrs. Wilder received a postcard from Mary.

(It is difficult to read Mary’s last name – it may be “McDuff”.)

The postcard was mailed from Waldron, an unincorporated community and census-designated place in Shelby County of central Indiana.

Platted by George Stroup in 1854, the small community was first called “Stroupville”.

https://en.wikipedia.org/wiki/Waldron,_Indiana

Indianapolis is almost 40 miles northwest of Waldron.

Waldron and Indianapolis were connected by the “Chicago, Indianapolis, and Louisville Railway”.

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The face of the postcard is a humorous drawing of a man reclining in a barber chair while a woman applies generous amounts of shaving cream to his face.

The man is holding the woman’s arm, but it does not look like a loving embrace.

The man appears ill at ease, although the female barber is smiling

In the woman’s hand we see a shaving brush, not a razor.

Beneath the drawing is a printed title, “A Close Shave”.

I assume that the title refers to the close proximity of the man and the barber.

The artwork was copyrighted in 1909 by Arthur Capper – Capper’s remarkable career included roles of publisher, Governor of Kansas and US Senator.

https://en.wikipedia.org/wiki/Arthur_Capper

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On the reverse, Mary greets Mrs. Wilder as “Dear Laura”.

Mary quickly states that she is extending an invitation: “Will you come to my house on Saturday or Sunday morning.

A decision is needed from Laura and Frank: “You must write and tell me so we can meet you at the cars.

Laura learns, “Aunt Bell is not well.”

Mary adds, “They cannot come to my house on Easter so I shall look for you.”

The message concludes – “Let me know when you (can) come.”

If the invitation to visit on Saturday or Sunday is the same as the summons to come and share Easter – then Easter in 1911 was as early as it could possibly be – the postcard was mailed on March 15.

(Easter in 1911 was celebrated on April 16 – so this seems to be a summons to two visits.)

One hopes that Laura and Frank accepted the invitations, that they wrote promptly to Mary, that Mary met “the cars” at the appointed time, that Aunt Bell recovered from her illness, and that all enjoyed a wonderful Easter in April of 1911.