Over the past few years I’ve use an IP pin number because of identity theft that has card. I did receive a new pen this year but I’ve missed placed it. My first question is can I use last ye

[DoninGA]

No, you cannot use the IP PIN from 2018.  You must use the IP PIN for 2019 that was issued to you by the IRS.

See this IRS website for information - https://www.irs.gov/identity-theft-fraud-scams/retrieve-your-ip-pin