Hi Andi,
for clod shot, the earliest kind of lead or iron ammunition after gun arrows, please see my threads
http://www.vikingsword.com/vb/showth...ight=clod+shot
and
http://www.vikingsword.com/vb/showth...ight=clod+shot
On my arguments on dating the Tannenberg barrel correctly (remember that it is not a complete gun as the tiller stock is mssing!), please see
http://www.vikingsword.com/vb/showth...ght=tannenberg
http://www.vikingsword.com/vb/showth...ght=tannenberg
and
http://www.vikingsword.com/vb/showth...ght=tannenberg,
plus a very similar tiller-stocked bronze gun of ca. 1480, formerly in my collection:
http://www.vikingsword.com/vb/showth...=tiller+bronze
Best,
Michael