Can alter the alloy composition. Keep in mind pewter is an alloy, tin is the main ingredient but may contain lead, silver, zinc, bismuth, copper or antimony.
eBay
0.4MM/0.5MM/0.6MM Lead Sheet Strip Lead Sinker Tin Roll Fishing Supplies Fishing Accessories Fishing Tackle Supplies
Aliexpress UK
A single ingot of lead for reloading, sinkers etc. May contain a small amount of tin.
eBay
2pcs carp fishing weight,Leads with swivelling rings and inline leads，2oz/2.5oz/3oz/3.5oz/4oz
Aliexpress UK
A single ingot of lead for reloading, sinkers etc. May contain a small amount of tin.
eBay
22Pcs Lead Fishing Sinker 3.5g/5g/7g/10g/14g Weight Sinker Boxed Bell Drop With Brass Swivels Fishing Gear Lead Sinker
Aliexpress UK
A single ingot of lead for reloading, sinkers etc. May contain a small amount of tin.
eBay
10pcs Carp Fishing Accessories Tungsten Space Beads For Lead Core Lead Free Leader Fishing Hook Line Chod Rig Carp Tackle
Aliexpress UK
This was dug out of the ground on a beach. This was made early 1900s. The rest was all old brass. Which we have not listed yet. It’s been buried since the 1900s early 1900s pre ww1. That this was done by several estates and the silver around this ingot was removed in the late 1970s.
eBay
Water Drop Lead Pendant for Fishing Sea Rod, Eight Rings Lead Pendant with Weight Carp Fishing Accessories
Aliexpress UK
THKFISH 3pcs Fishing Lead Weights 14g 28g 43g Saltwater Rolling Leads Sinkers With Swivels Banana Shape Weight Sinker
Aliexpress UK
30pcs Fishing Weights Sinker Kit, Bullet-Shaped Lead Sinker, Lead Pendants for Explosion Hooks, Hollow Core, Fishing Tackles
Aliexpress UK
10pcs 1g/2g/3g/4g/5g/6g/7.5g/9g/10g Ball bearing pendantFishing Lead Sinkers Hollow Lure Lead Weights Fishing Tacke
Aliexpress UK