Either type SSX at the Command prompt to create a "previous" selection set or type (SSX) in response to any Select Objects prompt.
SSX returns a selection set that is either exactly like a selected object or, if you adjust the filter list, very similar to that object.
Command: SSX
Select object/<None>: Use an object selection method to select a template object, or press ENTER for none
>>Block name/Color/Entity/Flag/LAyer/LType/Pick/Style/Thickness/Vector:
Filter Options
Usage Example:
Select a line to use as a template object, but remove the layer filter.
Command: SSX
Select object/<None>: Select a line
Current Filter: ((0 . "LINE") (8 . "0") (39 . 2.0) (62 . 1) (210 0.0 0.0 1.0))
Enter filter option [Block name/Color/Entity/Flag/LAyer/LType/Pick/Style/Thickness/Vector]: layer
>>Layer name to add/<RETURN to remove>: Press ENTER to remove layer filter
Current Filter: ((0 . "LINE") (39 . 2.0) (62 . 1) (210 0.0 0.0 1.0))
Enter filter option [Block name/Color/Entity/Flag/LAyer/LType/Pick/Style/Thickness/Vector]: Press ENTER
To select objects that match the filter, enter "previous" at the next Select Objects prompt.