Add 4 types of Australia bullion coin 2013

https://en.numista.com/catalogue/pieces37980.html
Please Add
- BU colored (green snake)
- proof colored (yellow snake )
- Gilded
- Proof

You should now be able to add them yourself. I'll accept the change requests as soon as I see them unless there are issues. Thanks

Full list of lunar $1s for 2013:

1. km#1827 - High-relief
Proof - Mintage: 7,500

2. km#1831 -- this is the only one currently in the Numista catalog
BU - 300,000 bullion (1,500 in 4-coin typeset + 340 in 4-coin typeset 2 (Japanese version))
Proof - 5,000 sold individually + 1,000 in 3-coin set + 1,500 in 4-coin typeset + 340 in 4-coin typeset 2 (Japanese version)

3. km#1831a - gilt/gilded
BU - 11,525 sold out of 50,000 authorized + 1,500 in 4-coin typeset + 340 in 4-coin typeset 2 (Japanese version)

4. km#1381b - Colored (black and yellow) - http://www.apmex.com/product/72200/2013-australia-1-oz-silver-year-of-the-snake-proof-colorized
Proof - 9,923 sold out of 10,000 authorized

5. km#1831c - Colored (green and yellow)
BU - 41,073 sold out of 170,000 authorized
Proof - 3,000

Mintage numbers are from various documents found at:

• http://www.perthmint.com.au/investment-bullion-bars-and-coins-mintages.aspx
  
• http://www.perthmint.com.au/numismatic-mintages.aspx
  

ps: This reminds me, I still haven't gotten around to adding a bunch of them from this thread - https://en.numista.com/forum/topic51199.html