Gold Coins of 1970
Sovereigns and half sovereigns were not issued in every year, and this is one date for which none were issued.
Very few countries issued any gold coins in 1971, however we can suggest some alternatives.

Alternative World Gold Coins

Country	Denomination	Diameter	Weight	Alloy	AGW
Albania	500 Leke	57	98.7400	.9000	2.8574
Albania	200 Leke	45	39.4900	.9000	1.1427
Albania	100 Leke	31	19.7500	.9000	0.5715
Albania	50 Leke	25	9.8700	.9000	0.2856
Albania	20 Leke	21	3.9500	.9000	0.1143
Anguilla	$100	49	49.3700	.9000	1.4287
Anguilla	$20	23	9.8700	.9000	0.2856
Anguilla	$10	18	4.9300	.9000	0.1426
Anguilla	$5	13	2.4600	.9000	0.0711
Bermuda	$20	22	7.9881	.9166	0.2355
Burma*	4 Mu	28	8.000	0.9999	0.2572
Burma*	2 Mu	21	4.000	0.9999	0.1286
Burma*	1 Mu	14.5	2.000	0.9999	0.0643
Cameroon	20,000 Francs	39	70.0000	.9000	2.0257
Cameroon	10,000 Francs	31	35.0000	.9000	1.0128
Cameroon	5,000 Francs	22.5	17.5000	.9000	0.5064
Cameroon	3,000 Francs	29	10.5000	.9000	0.3038
Cameroon	1,000 Francs	18	3.5000	.9000	0.1012
Central African Republic	20,000 Francs	39	70.0000	.9000	2.0257
Central African Republic	10,000 Francs	31	35.0000	.9000	1.0128
Central African Republic	5,000 Francs	22.5	17.5000	.9000	0.5064
Central African Republic	3,000 Francs	29	10.5000	.9000	0.3038
Central African Republic	1,000 Francs	18	3.5000	.9000	0.1012
Chad	20,000 Francs	39	70.0000	.9000	2.0257
Chad	10,000 Francs	31	35.0000	.9000	1.0128
Chad	5,000 Francs	22.5	17.5000	.9000	0.5064
Chad	3,000 Francs	29	10.5000	.9000	0.3038
Chad	1,000 Francs	18	3.5000	.9000	0.1012
Chile	100 Pesos	32	20.3397	.9000	.5886
Congo	50 Makutas			.9000
Congo	25 Makutas			.9000
Congo	10 Sengi			.9000
Costa Rica	1000 Colones	59	194.0400	.9000	5.6153
Costa Rica	500 Colones	53	74.5200	.9000	2.1565
Costa Rica	200 Colones	40	29.8000	.9000	0.8623
Costa Rica	100 Colones	29	19.9000	.9000	0.4311
Costa Rica	50 Colones	23	7.4500	.9000	0.2155
Egypt	5 Pounds	36	42.5000	.8750	1.1957
Egypt	1 Pound	23	8.5000	.8750	0.2391
Equatorial Guinea	5000 Pesetas		70.5200	.9000	2.0407
Equatorial Guinea	1000 Pesetas		14.1000	.9000	0.4080
Equatorial Guinea	750 Pesetas		10.5700	.9000	0.3058
Equatorial Guinea	500 Pesetas	23	7.0500	.9000	0.2040
Equatorial Guinea	250 Pesetas		3.5200	.9000	0.1018
Guinea	5,000 Francs	32	20.0000	.9000	0.5787
Guinea	2,000 Francs	23	8.0000	.9000	0.2315
Haiti	1,000 Gourdes	55	197.4800	.9000	5.7148
Haiti	200 Gourdes	39.5	39.4900	.9000	1.1427
Haiti	100 Gourdes	29	19.7500	.9000	0.5715
Haiti	60 Gourdes	33	18.2200	.5850	0.3427
Haiti	50 Gourdes	22	9.8700	.9000	0.2856
Haiti	40 Gourdes	27	12.1500	.5850	0.2285
Haiti	30 Gourdes	21	9.1100	.5850	0.1713
Haiti	20 Gourdes	17.5	3.9500	.5850	0.1143
Indonesia	25,000 Rupiah	54	61.7100	.9000	1.7858
Indonesia	10,000 Rupiah	38	24.6800	.9000	0.7142
Indonesia	5,000 Rupiah	29	12.3400	.9000	0.3571
Indonesia	2,000 Rupiah	17	4.9300	.9000	0.1426
Indonesia	25 Rupiah	27		.9000
Liberia	$25	30	23.3120	.9000	0.6746
Peru	100 Soles	36	46.8071	.900	1.3544
Philippines	5,000 Pisos	51	68.7400	.900	1.9893
Somalia	500 Shillings	49	70.0000	.9000	2.0257
Somalia	200 Shillings	37.5	28.0000	.9000	0.8102
Somalia	200 Shillings	27	14.0000	.9000	0.4051
Somalia	50 Shillings	24	7.0000	.9000	0.2025
Somalia	20 Shillings	17	2.8000	.9000	0.0810
South Africa	One Ounce Krugerrand	32.7	33.93	.9166	1.00
South Africa	2 Rand	22.05	7.9881	.9166	0.2354
South Africa	1 Rand	19.30	3.9940	.9166	0.1177
South Korea	25,000 Won	59	96.8000	.9000	2.8012
South Korea	20,000 Won	54	77.4000	.9000	2.2398
South Korea	10,000 Won	39	38.7200	.9000	1.1205
South Korea	5,000 Won	32	19.3600	.9000	0.5602
South Korea	2,500 Won	26	9.6800	.9000	0.2801
South Korea	1,000 Won	18	3.8700	.9000	0.1119
Swaziland	100 Emalangeni	23.5	8.6400	.9000	0.2500
Swaziland	50 Emalangeni	19	4.3100	.9000	0.1247
Uganda	1,000 Shillings	56	138.2400	.9000	4.0005
Uganda	500 Shillings		69.1200	.9000	2.0002
Uganda	100 Shillings	30	13.8240	.9000	0.3999
Uganda	50 Shillings	20	4.3900	.9000	0.1999
Zaire	1 Zaire	35		.9000

Key
Denomination - Face value
Diameter = Approximate Diameter in millimetres.
Weight = Weight in grams.
Alloy = Fineness of gold.
AGW = Actual fine gold weight in troy ounces.