https://www.danielstrading.com/futures-trading-education/201...
Typically they almsot always were delivered rather than cash settled. Cash settlement is more common for futures on indexes.
See here: http://www.cmegroup.com/market-data/reports/cash-settled-fut...
>It is estimated that only 2% of all futures contracts are actually delivered.
Popular Physical Delivery futures contracts include (but are not limited to) CME Currencies (Euro, JPY, & GPB), CBOT Treasuries (2 yr, 5yr, 10 yr, & 30 yr), NYMEX Energies (Crude Oil, Natural Gas, RBOB Gasoline, & Heating Oil), CME Live Cattle, CBOT Grains (Corn, Wheat, Soybeans, Soybean Meal, Soybean Oil, Rice, and Oats), COMEX Metals (Gold, Silver, & Copper), and ICE Softs (Sugar, Cotton, Cocoa, Coffee and OJ).
There are plenty of physical delivery futures still in existence.