There are iron age samples outwith this paper dated and located, but have to do a bit of searching.
NLD_LIA:I17750,0.133173,0.123895,0.070144,0.048773 ,0.038469,0.016733,0.009635,0.001615,-0.003272,-0.010387,-0.010393,0.006594,-0.016055,-0.007294,0.018729,0.017767,0.007432,0.001774,0.007 416,0.005253,0.004866,0.003215,0.010723,0.018195,-0.003473
NLD_MIA_LIA:I12906,0.120652,0.13405,0.054682,0.041 021,0.037545,0.014223,0.010575,0.005538,0.003068,0 .010934,0.000487,0.016935,-0.003122,-0.004542,0.010722,-0.004906,-0.020079,0.003927,-0.000628,0.011506,0.01148,0.012489,-0.004807,-0.001446,0.006706
NLD_MIA_LIA:I12907,0.138864,0.131003,0.060716,0.06 3954,0.038469,0.013666,0.00047,-0.004615,0.005931,-0.007107,0.003085,0.013038,-0.014123,-0.019267,0.032166,0.009414,0.009388,-0.000887,0.008799,0.005878,0.008735,0.011994,-0.005053,0.022172,-0.022393
I12906 Netherlands_MIA_LIA Zeeland, Veere-N57
I12907 Netherlands_MIA_LIA Noord-Holland, Uitgeest-Dorregeest
I17750 Netherlands_LIA Noord-Holland, Velsen-Hoogoventerrein
https://i.ibb.co/4YDtvrq/image.png

