The Great Post-Office Mystery; or Why the Check Was Not Received

The Great Post-Office Mystery; or Why the Check Was Not Received is a comic strip of the Sherlocko the Monk series drawn by Gus Mager, published in Hearst's syndicated press from 15 february 1911.

<< Rhymo's Valentines, Sent by Him to Other Members of the Monk Family

The Mystery of the Busted Slot Machine >>

The Evening Star (Washington D.C.) (12 february 1911, part 2, p. 8)

<< Rhymo's Valentines, Sent by Him to Other Members of the Monk Family

The Mystery of the Busted Slot Machine >>

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• Sherlocko the Monk
• Pastiches & Parodies