10 most recent receipts

Question

Have a table that contains data for items received into inventory.  Each record has an ItemNmbr,DateRecd, UnitCost etc.
Need to pull the 10 (or 12 etc.) most recent receipts for each item number.  The dates will vary widely between the part numbers and even for a single part number there could be large gaps.
Results should look like this
ItemNmbr                  
     UnitCost             
DateRecd
70000
24.2784
February 1, 2003
70000
30.77
February 25, 2003
70000
30.85
February 25, 2003
70000
30.85
March 27, 2003
70000
30.81
March 27, 2003
70000
30.85
March 27, 2003
70000
30.77
March 27, 2003
70000
30.85
May 13, 2003
70000
30.75
May 13, 2003
70000
30.85
May 27, 2003
70053
367.98
July 16, 2008
70053
368.69
July 16, 2008
70053
368.67
July 16, 2008
70053
369.41
August 6, 2008
70053
369.94
August 6, 2008
70053
368.71
August 19, 2008
70053
368.76
August 19, 2008
70053
307.56
November 17, 2008
70053
307.37
November 17, 2008
70053
312.42
February 2, 2009
I can do this for one ItemNmbr at a time using TOP but I need to do it for all existing items in one go.  The objective being to return the most recent 10 receipts for each part number.
I've been playing around with RANK but can't quite get to where I need to be.
Thanks

Answer 1

Is the field having date values a varchar field in your case? Seeing the data I feel you've declared it as varchar. Then I would say you should make it datetime so as to get date sequence correctly
Once you do it you can make a logic like this
SELECT *
FROM TableName t
WHERE NOT EXISTS (SELECT 1
FROM TableName
WHERE ItemNmbr = t.ItemNmbr
AND DateRecd > t.DateRecd
GROUP BY ItemNmbr
HAVING COUNT(*) >= 10
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