1939~1945 Straits Malaya 1 cent coin

Technical Specifications:
Type 1
Size:21.5 x 21.5
Weight: 5.83 gm.
Composition: Bronze
Edge: Plain
Mint: Royal Mint, UK., (with i mintmark) Calcutta Mint
Year & mintage:
1939 -5,692,000 pcs
1940 - 14,308,000 pcs
1941i - 33,620,000 pcs

Type 2
Size:20 x 20
Weight: 4.21 gm.
Composition: Bronze
Edge: Plain
Mint: Royal Mint, UK.
Year & mintage:
1943 -50,000,000pcs
1945 - 40,033,000 pcs