Indonesia, Republic, 1970 AD.,
1 Rupiah (22 mm / 1,42 g), aluminium, mintage 136.010.000 , medal alignment ↑↑, smooth edge,
Obv.: BANK INDONESIA / 1 / RUPIAH / * 1970 * , issuer, value and denomination above year flanked by five-pointed stars.
Rev.: Rp 1 , a Fantail Flycatcher byrd standing left.
KM 20 .