Unusual New York City (Received?) Postal Marking (1905)

I came upon this unusual (?) New York City postal marking shown on a 1905 post card for sale on the internet:



The postal marking at the LL of the card would appear to be a circular "Received" (?) stamp with a large "C" at the top and the date "10-16-1905" on the second line and then "2-1P" on the third line and "N.Y." on the bottom.

I don't recall seeing this type of postal marking before. Is it unusual? What does the "2-1P" mean? Perhaps Clerk No. 2 and 1 PM?

Comments?

wt1

Yes your cancel is a received marking. In 1906 the backstamping of mail was discontinued at the New York, New York Post Office and 3 or 4 other large post offices since all it did was delay the delivery of mail in large cities. They are not that rare.

Your cancel is a late use of a received marking by Station C. I do not believe they have been written about since they are rather dull. Similar Station C received markings start in the early 1880's. The Station received markings that get the most attention are the Negative letter ones.

I do not know what the 2-1 P in the means.
It refers to the time - that's all I know

bertA

Thanks for the information.